JAMB UTME - Geography - 2024

The tourist centre of Ogbunike cave is located near

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The Ogbunike Cave is a popular tourist destination located **near Onitsha in Anambra State**. This cave is part of a large system of limestone caves and is known for its historical and cultural significance to the people of the region. It's situated in the southeastern part of Nigeria and is associated with numerous legends and stories that reflect its importance to local traditions. Therefore, the correct location for Ogbunike Cave is **near Onitsha in Anambra State**.

A major problem in agricultural development in Nigeria is

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One of the major problems in agricultural development in Nigeria is the insufficient storage facilities.

The agricultural sector in Nigeria often faces difficulties after crops are harvested. Poor storage facilities mean that a substantial portion of the agricultural produce is lost due to spoilage, pests, or damage. This is a significant challenge because:

• **Loss of Produce:** Without adequate storage, farmers cannot preserve excess produce for future use, which leads to food waste and instability in food supply.
• **Reduced Income:** When farmers are unable to store their produce, they may have to sell it quickly and often at lower prices, immediately after harvest. This reduces their potential earnings.
• **Market Imbalance:** Lack of storage facilities can lead to an overflow of produce in the market right after harvest and a shortage during off-season periods, causing fluctuating prices.
• **Quality Degradation:** Poor storage facilities can lead to the degradation of the quality of produce, which in turn affects marketability and consumer trust.

Improving storage facilities would provide farmers with the ability to manage their production better, ensuring a more consistent supply of agricultural products and contributing significantly to the development of agriculture in Nigeria.

Temperatures of adjacent coastlands are reduced when on - shore winds blow over cold currents because the

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The temperatures of adjacent coastlands are reduced when on-shore winds blow over cold currents primarily because the cold currents influence the temperature of the prevailing winds.

Here's how it works in simple terms:

When winds blow over the ocean surface, they pick up characteristics of the water beneath them. If these winds travel over a cold ocean current, the air they carry becomes cooler. As this cooler air moves onto the coastlands, it brings down the temperature of those areas. This is why coastlands experience reduced temperatures when on-shore winds carry the chill from cold ocean currents.

So, the key factor here is the cooling effect of the cold water, which cools the air above it, consequently lowering the temperature of the coastal regions the wind blows onto.

Africa's largest timber producer is

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In terms of the largest timber producers in Africa, it is important to understand which nation has significant timber resources and an established forestry industry. Zaire, known today as the Democratic Republic of Congo (DRC), is recognized as the largest timber producer in Africa.

The Democratic Republic of Congo has extensive forest coverage, including parts of the Congo Basin, which is the second-largest rainforest in the world after the Amazon. This vast expanse of forestland provides an abundance of timber resources. The country's forestry industry has developed around this natural resource, contributing significantly to its economy.

Other countries like Ghana and Nigeria also have substantial forests and timber industries, but they do not match the scale of Zaire. Malawi, on the other hand, is less known for timber production compared to these countries.

In summary, considering its massive forest expanse and established timber industry, Zaire (the Democratic Republic of Congo) stands out as Africa's largest timber producer.

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The term over-population is best defined as the situation where the population exceeds available resources. This means that the number of people in an area is greater than the resources available to sustain them, such as food, water, shelter, and health care. It can lead to various problems including poverty, environmental degradation, and a strain on infrastructure. Over-population occurs when the existing resources cannot meet the needs of the people, resulting in hardship and reduced quality of life.

In contrast, having a birth rate equal to the death rate implies a stable population over time, not necessarily over-population. Increasing birth rate and decreasing infant mortality can contribute to population growth, but they do not solely define over-population. Finally, high population density refers to a large number of people living in a small area, which could lead to over-population if resources are insufficient, but high density alone does not equate to over-population.

Which activity requires the following? I. Large area of land usually in thousands of hectares II. Availability of water either in the form of rain or irrigation III. High capital outlay

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The activity that requires a large area of land usually in thousands of hectares, availability of water either in the form of rain or irrigation, and a high capital outlay is plantation agriculture. Let me explain why:

Large Area of Land: Plantation agriculture involves the cultivation of crops on a very large scale, often requiring thousands of hectares. This is necessary to achieve economies of scale and produce significant quantities of a specific crop such as tea, coffee, sugarcane, rubber, or oil palm.

Availability of Water: Crops grown on plantations need adequate water supply to thrive. This can be provided by regular rainfall or through irrigation systems. Thus, plantations are often located in regions with favorable climatic conditions or equipped with efficient water management systems.

High Capital Outlay: Establishing a plantation requires a significant initial investment. This includes procuring land and machinery, setting up irrigation systems, and maintaining infrastructure. Furthermore, plantations often rely on the employment of many workers and the use of advanced agricultural techniques, which also contribute to the high cost.

In contrast, the other activities mentioned do not primarily rely on these three factors to the same extent. For example, lumbering involves harvesting trees, which may also require substantial land area, but does not necessarily need irrigation. Tourism industry might require watering systems for landscaping, but its focus is more on site attractions. Finally, while mining requires high capital outlay and can cover large areas of land, it does not depend on the availability of irrigation systems like plantation agriculture does.

Which of the following regions in Nigeria has an average height of over 100 metres above sea level?

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The Biu Plateau has an average height of over 100 meters above sea level. The Biu Plateau is a region of high ground in northeastern Nigeria

The most common mode of transportation in Africa is

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The **most common mode of transportation in Africa** is **road transportation**. This includes vehicles like cars, buses, and motorcycles that travel on roads and highways. Road transportation is widespread because it is **versatile** and can reach many rural and urban areas that are not accessible by other means of transportation. Roads are often less expensive to build and maintain compared to infrastructure needed for other modes such as railways or airports.

Despite the challenges such as limited road networks and varying road conditions in some regions, **road transportation remains the backbone** of both passenger and freight transport due to its **flexibility** and **accessibility**. In many African countries, it is the most relied upon form of transport connecting people to markets, healthcare facilities, schools, and places of employment.

The angular distance of a point on the Earth's surface measured in degrees from the centre of the Earth east or west of the Greenwich Meridian is known as

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The angular distance of a point on the Earth's surface measured in degrees from the centre of the Earth east or west of the Greenwich Meridian is known as longitude.

Let's break this down to make it simple:

Longitude lines are imaginary lines that run from the North Pole to the South Pole. The most important line is the Greenwich Meridian, also called the Prime Meridian, which is the reference point for measuring longitude. It is designated as zero degrees (0°) longitude. When you measure how far east or west a point is from the Prime Meridian, you are measuring the longitude.

This is different from latitude, which measures the distance north or south of the Equator. Longitude lines meet at the poles, whereas latitude lines are parallel to each other.

Overall, longitude helps us determine the precise location of a place on Earth by specifying how far east or west it is from the Prime Meridian.

The climatic belts recognized by the Greek were

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The ancient Greeks were pioneers in observing and classifying the Earth's climate zones. They recognized three primary climatic belts based on their understanding of the Earth's environment. These belts were:

• Torrid Zone: This zone is the hottest part of the Earth, located near the equator. The Greeks believed it to be extremely warm because it lies where the sunlight strikes the Earth most directly. Today, we know this region as the tropical zone.
• Temperate Zone: This area lies between the torrid and frigid zones. It experiences more moderate temperatures. The Greeks saw this as a **habitable** zone, with a climate suitable for a majority of human living. It corresponds to the mid-latitudes in modern geography.
• Frigid Zone: This is the coldest area, positioned around the poles. The Greeks considered it extremely cold and largely uninhabitable due to its distance from the equator and the angle at which sunlight reaches these regions. Today, this relates to the polar regions.

Thus, the Greeks recognized these **three climatic belts**: Torrid, Temperate, and Frigid. This classification was an early attempt to systematically understand the Earth's climatic patterns using observable natural phenomena, such as sunlight and temperature differences.

Which of the following are best explains the drift of population from rural to the cities in Nigeria?

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The movement of population from rural areas to cities, commonly known as urbanization, is influenced by several factors, particularly economic and social opportunities. In the context of Nigeria, one of the most significant reasons is due to the availability of more job opportunities in the cities. Urban centers often offer a greater variety of employment possibilities compared to rural areas. These opportunities can be in industries, services, or various sectors requiring skilled and unskilled labor.

Economic development tends to be concentrated in cities, attracting individuals seeking better employment prospects and higher income potential. Many people move to urban areas in search of work that they cannot find in their rural hometowns, where agriculture may be the predominant source of livelihood with limited economic diversification.

Moreover, cities in Nigeria typically provide better recreational facilities and services than rural areas. These include access to modern amenities such as shopping centers, cinemas, sports facilities, and cultural events, which contribute to a higher quality of life. This aspect is appealing, particularly to younger generations, creating an added incentive for migration.

The other factors mentioned, such as food scarcity in rural areas, might contribute to migration but are often secondary compared to the employment factor. Many rural areas have agricultural activities, so food scarcity is not the primary reason; instead, it's the lack of economic opportunities that often triggers the movement.

Finally, while it is true that the cost of living in the cities is very high, especially in terms of housing and services, this is not a reason that attracts people to move. In fact, it might be a deterrent. Nonetheless, the potential for better income and lifestyle improvement in cities often outweighs the high cost of living for many migrants.

The major problem facing the utilization of human resources in West Africa is

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One of the major problems impacting the effective utilization of human resources in West Africa is unemployment.

Unemployment is a significant issue because it leads to several challenges that adversely affect both individuals and the economy at large. When people, especially those who are capable and willing to work, do not have jobs, it results in a waste of potential human resources. Let's break down a few reasons why unemployment is such a pressing problem:

• Economic Impact: High unemployment rates mean that a large portion of the population is not contributing to the economic growth of the country. This diminishes the overall productivity and can lead to a lower Gross Domestic Product (GDP).
• Poverty: Unemployment often results in income instability, which can push individuals and families into poverty. This lack of income makes it challenging to meet basic needs such as food, education, and healthcare.
• Social Challenges: High levels of unemployment can lead to increased crime rates and social unrest, as people without jobs may resort to illegal activities to support themselves.
• Brain Drain: Persistently high unemployment can lead to emigration, where skilled individuals move to other countries in search of better opportunities. This exacerbates the issue as it creates a loss of talented individuals who could have contributed to local development.
• Skill Deterioration: When people remain unemployed for extended periods, their professional skills may deteriorate, making it even harder for them to find employment in the future.

Addressing unemployment requires collaborative efforts involving government policies, education systems, and private sector initiatives to create more job opportunities and develop skills that match the demands of the labor market. Therefore, unemployment remains a critical concern in achieving optimal utilization of human resources in West Africa.

One characteristic that distinguishes urban settlements from rural settlements is that

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One characteristic that distinguishes urban settlements from rural settlements is that urban settlements are areas of secondary and tertiary activities.

Let's break this down:

• Urban Settlements: These are typically characterized by higher population density and more developed infrastructure. The economic activities here are primarily focused on secondary activities, such as manufacturing and industry, and tertiary activities, such as services like banking, education, healthcare, and retail. These activities are associated with more advanced stages of economic development and are common in cities and larger towns.


• Rural Settlements: On the other hand, rural areas are often associated with primary activities, such as agriculture, fishing, forestry, and mining. These activities involve direct extraction or harvesting of natural resources and are more common in less densely populated areas like villages or countryside.

To summarize, the primary distinction is that urban settlements focus on secondary and tertiary activities, providing goods and services, ultimately making them different in function and character from rural settlements, which focus more on primary activities.

The process of head ward erosion will lead to the formation of

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Let's understand the term **headward erosion**. **Headward erosion** refers to the process where a river or stream erodes its source region, causing the stream's origin to move backward away from the direction of water flow. This process can have several impacts and can lead to the formation of certain landforms.

Among the options provided, **headward erosion** is most commonly associated with the formation of **river capture**. When **headward erosion** continues over time, it can cause one river to extend its course and intersect with a neighboring river, capturing its flow. This event is known as **river capture** or **stream piracy**. Essentially, the rapid erosion at the river's source enables it to cut through the drainage divide and capture the headwaters of another river.

Let's briefly see why the other options are less relevant to **headward erosion**:

• **Potholes** are typically formed on the riverbed as a result of mechanical weathering and the swirling movement of water and debris, rather than headward erosion.
• **Oxbow lakes** form when a meander from a river is cut off, creating a free-standing body of water, which is more a result of lateral erosion rather than headward erosion.
• **Alluvial cones** or **alluvial fans** form where a river or stream spreads out sediment as it exits a mountainous area onto a flatter plain. This is not directly caused by **headward erosion**, but rather sediment deposition.

Therefore, the process of **headward erosion** most directly leads to the formation of **river capture**.

Which of the following is a fossil fuel?

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The term fossil fuel refers to energy sources that come from the remains of ancient plants and animals, buried and subjected to heat and pressure over millions of years. These fuels are primarily composed of carbon and include materials like coal, oil, and natural gas.

Among the options given:

• Gneiss is a type of metamorphic rock formed from other rocks like granite or sedimentary rock through heat and pressure. It is not a fossil fuel.
• Granite is an igneous rock that forms from the cooling and solidification of magma beneath the Earth’s surface. It is not a fossil fuel.
• Lignite is a type of coal, which is a fossil fuel. It is often referred to as brown coal and is used primarily as a fuel for steam-electric power generation.
• Mica is a group of minerals that can split into thin, tough sheets. It is not a fossil fuel.

Therefore, the correct answer is Lignite because it belongs to the category of fossil fuels. Lignite is formed from the remains of plants that lived millions of years ago, which makes it a source of stored energy that can be burned for heat and power.

Copper is an important raw material in the

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Copper is an important raw material in the electrical industry. This is because copper is an excellent conductor of electricity, which means it allows electrical current to flow through it easily with minimal resistance. This property makes copper ideal for use in electrical wiring, motors, transformers, and other electrical components. Additionally, copper is highly durable, resistant to corrosion, and versatile, which further enhances its usefulness in electrical applications. The electrical industry relies heavily on copper to ensure reliable and efficient power transmission.

Which of the following is an effect of rural-urban migration on the source region?
Rural unemployment

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Rural-urban migration refers to the movement of people from rural areas to urban areas in search of better opportunities and living conditions. One of the main effects of this kind of migration is rural depopulation.

Here's why:

• Rural Depopulation: When significant numbers of individuals leave the rural areas for urban centers, the population in these rural areas declines. This is because more people are exiting than entering these areas. As a result, the overall population density decreases.


• Rural Unemployment: Paradoxically, rural unemployment might decrease rather than increase. This is because those who migrate are often people who were already unemployed or underemployed and looking for better job opportunities. When they leave, the unemployment rate in the rural area may stabilize or even decrease because the remaining population might have more employment opportunities.


• Rural Congestion: Is not an effect of rural-urban migration. In fact, with fewer people, congestion in rural areas typically diminishes.


• Urban Depopulation: When people migrate from rural areas to urban areas, the urban areas' population increases while the rural areas' population decreases. Hence, urban depopulation is not applicable in this context.

In summary, rural depopulation is one of the primary effects of rural-urban migration as it results in a decrease in the population of the rural areas being vacated.

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Quartzite, schist, and marble are all examples of metamorphic rocks.

Here's why:

• Metamorphic Rocks: These are rocks that have undergone a transformation due to intense heat and pressure. This process, called metamorphism, alters their original form or mineral composition without melting them.
• Quartzite: This forms from sandstone, a sedimentary rock, that has been exposed to heat and pressure, resulting in a very hard, durable rock.
• Schist: This rock is typically formed from shale, another sedimentary rock, or sometimes from basalt, an igneous rock. It has a shiny appearance due to the presence of mica minerals.
• Marble: This is formed from limestone, a sedimentary rock that undergoes recrystallization under high heat and pressure, resulting in a rock that is often used in sculpture and architecture.

Sedimentary Rocks are formed from the accumulation of sediments, while Igneous Rocks are formed from the cooling and solidification of magma or lava. Volcanic rocks are a subset of igneous rocks that specifically form from lava at the earth's surface. Thus, quartzite, schist, and marble do not fall under these categories.

Which of the following best accounts for the decline in the importance of rail transport in Africa?

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The decline in the importance of rail transport in Africa can be best explained by the high competition from road transport. Here's why:

Accessibility and Flexibility: Road transport is generally more accessible and flexible compared to railways. Roads are available in most areas of Africa, including rural regions, allowing goods and passengers to reach their destinations directly without requiring transfer between modes of transport.

Cost-Effectiveness: In many cases, road transport can be more cost-effective because it eliminates the need for transferring goods at several points. The initial investment in road infrastructure and vehicles can also be less than maintaining or upgrading railway networks.

Adaptability to Infrastructure Limitations: Many railways in Africa suffer from outdated infrastructure, which can hinder their efficiency and reliability. On the other hand, road transport can easily adapt to newer roads and infrastructures as they are developed.

Length of Transport Routes: Although Africa is a vast continent, many trade routes within countries or regions are more economically feasible with road transport, especially for short to medium distances.

Overall, while other factors such as the low volume of goods and potential retrenchment threats exist, the dominance and rapid improvement in the road transport sector particularly highlight why rail transport has seen a decline in relevance. The flexibility and economic viability of road transport often make it a more attractive choice for businesses and individuals alike.

Which of the following dams in Africa provides both irrigation water and hydro-electricity?

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The Akosombo Dam in Ghana provides both irrigation water and hydro-electricity. The dam was built on the Volta River and provides hydro-electric power and irrigation water for agriculture.

The development of hydro-electric power in Nigeria is least affected by the

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The development of hydro-electric power in Nigeria is least affected by the availability of suitable sites for dams. While suitable sites are necessary for building dams, other factors such as a regular supply of water and high mountains are more critical for hydro-electric power development.

A line joining places having an equal degree of cloudiness is an

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A line joining places having an equal degree of cloudiness is called an isoneph.

To understand this better, let's break down some related terms:

• Isotherm: These are lines on a map that connect points having the same temperature at a given time or on average over a given period.
• Isohyet: These are lines that connect areas receiving equal amounts of precipitation, such as rainfall.
• Isoneph: These are lines that link points experiencing the same degree of cloud cover or cloudiness.
• Isobar: These are lines on a weather map that connect points of equal atmospheric pressure.

So, when we are specifically talking about cloudiness, the correct term and line is an isoneph. This is useful in meteorology for visualizing and analyzing patterns of cloud coverage across different regions.

Sunrise and sunset are not proofs that the Earth is spherical in shape, as they can be observed on other celestial bodies as well.

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Mercury and Venus are the two planets that lie between the Sun and Earth.

The part of the earth's crust that is covered by oceans and seas is called

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The part of the earth's crust that is covered by oceans and seas is called the hydrosphere.

Let's break it down logically:

• The hydrosphere specifically refers to all of the water found on, under, and over the surface of the Earth, including oceans, seas, rivers, lakes, and even water in the atmosphere.
• It covers about 71% of the Earth's surface, making it a significant and distinctive part of the planet.
• The stratosphere and the ionosphere are layers of the Earth's atmosphere, not related to water or Earth's crust coverage.
• The biosphere refers to all regions of the Earth occupied by living organisms. While it includes oceans and seas, it is not specific to just water coverage.

Therefore, the term that correctly describes the part of the Earth's crust covered by water bodies like oceans and seas is the hydrosphere.

When wet and dry bulb thermometers record the same temperature, it means

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When wet and dry bulb thermometers, which together form a psychrometer, record the same temperature, it indicates that the air is saturated. This means that the air has reached its maximum capacity to hold water vapor, also known as reaching the dew point.

Normally, the wet bulb thermometer, which has a cloth soaked in water wrapped around it, shows a lower temperature than the dry bulb thermometer because evaporation cools it down. However, when the temperatures are the same for both thermometers, no evaporation is taking place. This is because the air cannot accept more water vapor, pointing to a humidity level of 100%, which is known as saturation.

Which of the following best explains why wind action is more predominant in Arid regions than in Humid regions?

Answer Details

Wind action is more predominant in arid regions due to the combination of loose surface materials and the absence of vegetation cover. In these regions, there is little moisture to bind soil particles together, making them easily detachable and transportable by wind. Without vegetation to stabilize the soil and buffer wind, these loose particles are swept away, leading to significant wind erosion.

Other reasons, such as insufficient drainage or strong winds, also play a role; however, the **primary** factors are the loose surface materials and lack of vegetation, allowing wind to act with greater intensity. In contrast, humid regions have ample vegetation and soil moisture, which significantly reduce the wind's ability to erode and transport surface material.

The Gezira scheme and the Manaquil Extension are famous for the cultivation of

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The **Gezira Scheme** and the **Manaquil Extension** are famous for the cultivation of **cotton**. These agricultural projects are located in **Sudan** and are among the largest irrigation projects in the world dedicated to agriculture.

The Gezira Scheme utilizes the waters of the **Blue Nile** to irrigate the land, making it suitable for growing cash crops. The scheme's infrastructure, including an extensive network of canals and ditches, supports the broad-scale cultivation of cotton. Similarly, the Manaquil Extension enhanced the irrigation reach, further bolstering cotton agriculture.

**Cotton** is highly suitable for growth in the hot climate of Sudan, especially under irrigation, as it requires a long growing season with plenty of sunshine and water. This makes it an ideal crop for the region, contributing significantly to Sudan's economy through both local use and export. Additionally, cotton plays a crucial role in the livelihood of many farmers in the region, being a major source of income.

Cultivating cotton in **Gezira** and **Manaquil** not only supports the textile industry but also generates employment for thousands of people engaged in farming, processing, and trade.

Which of the following geographical regions of Nigeria covers one-fifth of the country and has a generally flat surface dotted with granitic hills? The

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The geographical region of Nigeria described in the question is the North-Central Highlands. This area covers about one-fifth of the country and is characterized by a generally flat surface with granitic hills, known as inselbergs, scattered throughout the landscape. These hills are composed of hard rock formations that have resisted erosion, thereby standing out from the flatter surroundings.

This region is situated in the north-central part of Nigeria and is significant for its geological features and agricultural potential. The flat terrain provides an expansive area suitable for farming, while the inselbergs add to the region's natural beauty and sometimes serve as landmarks. The North-Central Highlands are an important and distinct geographical region within Nigeria due to these unique characteristics.

All the following are advantages of the bush fallowing system in West Africa except that it

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The bush fallowing system in West Africa is not very economical in the use of land. Bush fallowing involves leaving land fallow for several years to regain its fertility, which can lead to inefficient use of land.

Which of the following settlement type is the largest?

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In the context of settlement types and their sizes, the largest is a megalopolis.

Let me explain this in simple terms:

• **City:** A city is a large and permanent settlement with a significant population and infrastructure. It is larger than a town but smaller than the other types of settlements listed here.
• Agglomeration: This term generally refers to an area where multiple cities or towns are grouped together, sharing infrastructure and services but still remaining as distinct entities. It is more about the process of these settlements growing together.
• Conurbation: A conurbation is a region that consists of a number of cities or towns which have merged together over time through population growth and expansion. They are physically connected but maintain individual identities.


• Megalopolis: A megalopolis is a massive urban region made up of multiple large cities and their surrounding areas, which have expanded to merge into one continuous urban area. It's much larger than a conurbation. One classic example is the Northeastern megalopolis in the USA, which includes cities like Boston, New York City, Philadelphia, Baltimore, and Washington, D.C.

In summary, of all the settlement types listed, a megalopolis is the largest as it comprises multiple, even significant urban areas that have expanded to form a vast, continuous area.

Which of the following is not an element of climate?

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To determine which of the listed items is not an element of climate, we need to understand what elements constitute climate. **Climate** refers to the average weather conditions of a place over a long period, typically 30 years or more. The primary elements that define climate include **temperature**, **precipitation**, **humidity**, **wind**, and **air pressure**. Let's go through the choices given:

Precipitation: This is an important element of climate as it refers to any form of moisture that falls from the atmosphere to the earth's surface, such as rain, snow, or sleet.

Air pressure: This is a crucial element of climate because it influences wind patterns and weather systems such as cyclones and anticyclones.

Altitude: This is not an element of climate; rather, it is a geographic factor that influences climate. As you go higher in altitude, temperatures typically decrease, which can affect the climate of a region, but altitude itself is not a climatic element.

Temperature: This is a fundamental element of climate, affecting the average warmth or coldness of a place over time.

Therefore, **altitude** is not an element of climate, but a factor that can influence the other elements like **temperature** and **precipitation**.

All the major industrial zones of Nigeria owe their origin mainly to

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The major industrial zones of Nigeria owe their origin mainly to the presence of cash crops. This is because, historically, Nigeria's economy largely depended on agriculture, and the availability of these cash crops provided a foundation for establishing industries. For example, regions where cash crops such as cocoa, palm oil, rubber, and groundnuts were abundantly grown became focal points for industries.


These crops were in high demand both locally and internationally, encouraging the establishment of processing industries to add value before export. This led to the development of infrastructure and contributed to the economic growth of these regions.


Thus, the presence of cash crops has played a significant role in shaping the industrial landscape of Nigeria by attracting investments, creating jobs, and fostering economic development in the respective regions.

The ocean that connects Europe and America is the

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The ocean that connects Europe and America is the Atlantic Ocean.

Here's a simple explanation: The Atlantic Ocean is a massive body of water that lies between the continents of Europe and Africa to the east and the Americas to the west. This ocean is one of the world's five major oceans and is the second largest after the Pacific Ocean. Historically, the Atlantic Ocean has been significantly important as a route for ships traveling between Europe and the Americas, playing a crucial role in exploration, commerce, and cultural exchanges.

When the sun is directly overhead at the tropic of Capricorn (23 %, °) on 22nd December, the Northern Hemisphere experiences it's

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On 22nd December, the sun is directly overhead the Tropic of Capricorn in the Southern Hemisphere. This marks a significant event in both hemispheres.

In the Northern Hemisphere, this date corresponds to the **winter solstice**. Here's why:

The Earth is tilted on its axis by about 23.5 degrees. This tilt is responsible for the changing seasons. Throughout the year, different parts of the Earth receive varying amounts of sunlight depending on the planet's position in its orbit around the Sun.

During the winter solstice, the Northern Hemisphere is tilted farthest away from the Sun. As a result, it experiences the shortest day and the longest night of the year. The **winter solstice** marks the official start of winter in the Northern Hemisphere.

Thus, when the sun is directly overhead at the Tropic of Capricorn on 22nd December, the Northern Hemisphere experiences its **winter solstice**.

A conurbation can best be described as

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A conurbation is a term used to describe a group of cities, towns, or urban areas that have merged together to form a single urban entity, while still retaining their individual identities.

All the following are members of the ECOWAS except

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The Economic Community of West African States (ECOWAS) is a regional political and economic union of countries located in West Africa. Its objective is to promote economic integration across the region. The official member states of ECOWAS include countries in West Africa.

Among the options provided:

• Cote d'Ivoire is a member of ECOWAS. It is located in West Africa and actively participates in the community’s activities.
• Burkina Faso is also a member of ECOWAS. Like Cote d'Ivoire, it is found in West Africa and is part of the union.
• Senegal is another member state of ECOWAS, contributing to the regional integration efforts.

Cameroun, however, is not a member of ECOWAS. While it is geographically close to West Africa, it is primarily considered part of Central Africa, and it is a member of the Central African community organization instead.

The major source of power for most terrestrial ecosystems is

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The major source of power for most terrestrial ecosystems is solar energy.

Let me explain why:

Solar energy is the energy that comes from the sun. It is critical for life on Earth as it powers the process of photosynthesis, which is used by plants, algae, and some bacteria to convert light energy into chemical energy. During photosynthesis, these organisms take in carbon dioxide from the air and water from the soil, and with the help of sunlight, they produce glucose and oxygen. This process provides the necessary energy and organic material to support life.

Here is why it is important:

• Primary Producers: Solar energy fuels the primary producers (mainly plants) that form the base of the food chain. They use sunlight to create food that herbivores eat, and these herbivores are then consumed by carnivores. Without the energy provided by the sun, this foundational level of the food web would not exist, and all life forms that depend on plants, either directly or indirectly, would not survive.
• Energy Transfer: The energy captured by plants is transferred through various trophic levels as different organisms consume one another. Each level receives energy that originated from the sun, making solar energy the primary driving force of energy flow in ecosystems.
• Climate Regulation: Sunlight helps regulate Earth's climate and atmospheric conditions, influencing temperature and weather patterns. These conditions are necessary for the survival of various ecosystems and their inhabitants.

In comparison, other energy sources like geothermal energy, nuclear power, and hydroelectric power play relatively minor roles in terrestrial ecosystems. These energies are not as directly involved in powering the basic life-sustaining processes as solar energy is. Therefore, it is clear that solar energy is the predominant power source for life on land.

All the following are problems of mining in Africa except

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Mining in Africa faces several challenges, but understanding these issues helps in realizing the unique dynamics of the industry on the continent.

Inadequate Unskilled Labour: This is generally not a problem in Africa. The continent has a large population that provides sufficient unskilled labor for mining activities. Thus, an abundance of unskilled labor makes this factor not a significant issue for mining operations.

Use of Obsolete Technology: Many mining operations in Africa struggle with outdated or insufficient technology. This affects the efficiency and safety of mining activities, making it a significant challenge for the industry.

Shortage of Power: Power shortages are common in many African countries and can severely impact mining operations, which require consistent and significant energy for their activities. This is a critical challenge in mining across the continent.

Inadequate Foreign Capital: Many African nations experience difficulty in attracting sufficient foreign capital to invest in modernizing and expanding their mining sectors. This capital is crucial for technology upgrades and infrastructural development in the industry.

In summary, inadequate unskilled labour is not typically a problem for mining in Africa, whereas the other issues listed are significant challenges impacting the industry.

Which of the following climatic types is found on the western margins of continents between altitude 300 and 400 North and South of the Equator?

Answer Details

The climatic type found on the western margins of continents between latitudes 30° and 40° North and South of the Equator is the Mediterranean climate.

The Mediterranean climate is characterized by its unique seasonal weather pattern:

• Hot, dry summers: During the summer months, these regions usually experience clear skies, ample sunshine, and little to no rainfall. The temperatures are generally high due to the influence of the subtropical high-pressure systems.
• Mild, wet winters: In the winter months, these areas receive moderate rainfall, often brought by westerly winds and cyclonic storms, while temperatures remain relatively mild and comfortable.

This type of climate is well-known for supporting specific kinds of ecosystems and is suitable for growing certain crops, such as olives, grapes, and wheat. Typical regions with a Mediterranean climate include the coastal areas of the Mediterranean Sea, parts of California in the United States, central Chile, the southern tip of South Africa, and southwestern Australia.

The solar system comprises the sun and

Answer Details

The solar system is a vast and fascinating system that centers around the Sun, a star that provides light and heat to all the celestial bodies that revolve around it. Understanding what other components make up the solar system is essential for grasping how our cosmic neighborhood operates.

There are eight major planets that orbit around the Sun. These planets, in their order from the closest to the farthest from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each of these planets varies in size, composition, and distance from the Sun, but they all follow elliptical orbits.

In addition to the eight recognized planets, there are also dwarf planets, such as Pluto. Pluto was previously considered the ninth planet until it was reclassified as a dwarf planet by the International Astronomical Union in 2006 due to updated criteria that define what constitutes a planet.

Besides planets and dwarf planets, the solar system also contains a variety of other celestial bodies. These include moons, which are natural satellites that orbit planets; asteroids, which are small rocky bodies primarily located in the asteroid belt between Mars and Jupiter; and comets, which are icy bodies that have eccentric orbits bringing them close to the Sun occasionally.

In summary, the solar system comprises the Sun and eight planets, alongside other celestial bodies such as dwarf planets, moons, asteroids, and comets. Understanding the composition of the solar system helps us appreciate the complexity and grandeur of our cosmic environment.