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Frage 1 Bericht
Sunrise and sunset are not proofs that the Earth is spherical in shape, as they can be observed on other celestial bodies as well.
Antwortdetails
Mercury and Venus are the two planets that lie between the Sun and Earth.
Frage 2 Bericht
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:
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.
Frage 3 Bericht
They are formed in layers and derived from old rocks and the remains of dead organic materials. This description refers
Antwortdetails
The description in question refers to sedimentary rocks. These types of rocks are primarily formed through the accumulation of material, which can be particles derived from other rocks or the remains of dead plants and animals. Here is a simple breakdown:
Sedimentary rocks play a crucial role in our understanding of Earth's history. The layers can tell scientists a lot about the Earth's past environments, climate, and even the organisms that lived long ago.
Frage 4 Bericht
Nigeria is located between longitude
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Nigeria, a country located in West Africa, is situated between the longitudes of 3°E and 15°E. Longitude lines are imaginary vertical lines that run across the Earth's surface from the North Pole to the South Pole. These lines help in determining the east-west position of a particular location on earth. By being positioned between 3°E and 15°E, Nigeria stretches from slightly east of the Prime Meridian, which is 0°, to 15° eastward. This geographical positioning affects several aspects like climate and time zone, making it an important detail in understanding the country's location globally.
Frage 5 Bericht
Which of the following countries is located within the Horn of Africa?
Antwortdetails
The **Horn of Africa** is a prominent peninsula in East Africa that juts into the Arabian Sea. It consists primarily of four countries: **Ethiopia**, **Eritrea**, **Somalia**, and **Djibouti**. From the options provided, only **Djibouti** is located within the Horn of Africa. This makes Djibouti geographically significant in terms of its positioning in this specific region.
For further understanding, here is a brief description of the other countries mentioned:
Frage 6 Bericht
Antwortdetails
When a ship appears over the distant horizon, the mast is seen before the hull. This phenomenon can be explained by considering the shape of the Earth and how light travels.
The Earth is a large sphere, and because of its curvature, objects that are farther away become obscured by the Earth's surface as they move over the horizon. The upper parts of an object, such as the mast of a ship, are further away from the Earth's surface compared to the lower parts, like the hull. As a result, the top parts become visible first as an object like a ship comes over the horizon.
Therefore, due to the curvature of the Earth, the mast, being higher and more elevated, comes into view before the hull as the ship approaches from a distance.
Frage 7 Bericht
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:
Therefore, the term that correctly describes the part of the Earth's crust covered by water bodies like oceans and seas is the hydrosphere.
Frage 8 Bericht
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.
Frage 9 Bericht
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.
Frage 10 Bericht
All the following are advantages of the bush fallowing system in West Africa except that it
Antwortdetails
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.
Frage 11 Bericht
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.
Frage 12 Bericht
Which of the following is an effect of rural-urban migration on the source region?
Rural unemployment
Antwortdetails
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:
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.
Frage 13 Bericht
Which of the following features is shared by Hong Kong, Java and Manhattan?
Antwortdetails
Hong Kong, Java, and Manhattan all share the feature of having a **high population density**. These regions are known for their concentrated population in relatively small areas. Here is a simple explanation for each:
In summary, the common feature among these locations is their **high population density**, where large numbers of people reside and engage in various activities within limited geographic spaces.
Frage 14 Bericht
Which of the following are best explains the drift of population from rural to the cities in Nigeria?
Antwortdetails
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.
Frage 15 Bericht
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
Antwortdetails
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.
Frage 16 Bericht
Which of the following least influences population density in Nigeria?
Antwortdetails
Population density refers to the number of people living per unit of area, typically measured in people per square kilometer. In Nigeria, several factors influence population density, including natural, economic, and social factors.
Thick forest vegetation can influence population density by limiting the availability of land for habitation and agricultural activities. Areas with dense forests are usually less populated because they are harder to clear for settlements and farming. Additionally, thick forests may not have sufficient infrastructure, making them less attractive for people to live in.
Similarly, tsetse fly infestation can significantly influence population density. The tsetse fly transmits sleeping sickness, which can be a health hazard for humans and animals. Areas infested with tsetse flies might have lower population densities because people avoid settling in regions where their health and that of their livestock are at risk.
Fertile agricultural land attracts people because it supports farming activities, which is a primary livelihood for many people in Nigeria. As a result, such areas often have higher population densities due to the economic opportunities they provide.
The factor that least influences population density among the given options is mining. While mining can attract workers to specific areas, its influence is usually limited to certain regions where mineral resources are available. Since mining is typically localized and not widespread, its impact on overall population density is generally lower compared to factors like agriculture or disease. Additionally, mining areas might not have sustainable living conditions to attract large populations permanently.
In summary, while all these factors can influence population density, mining has the least impact compared to the other options because it affects fewer regions and often does not provide long-term settlement opportunities.
Frage 17 Bericht
A settlement developed at the meeting point of roads is known as a
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A settlement developed at the meeting point of roads is known as a nodal town.
Let's break this down in a simple way:
In contrast, a port town develops around a harbor, a confluence town forms where rivers meet, and a gap town evolves in mountain pass regions. Thus, a town at the meeting point of roads is distinctly identified as a nodal town.
Frage 18 Bericht
The location of iron and steel industry at Ajakuta in Nigeria is best explained by the presence of (1) iron ore at Itakpe (11) limestone at Ewekoro (III) river port at Lokoja (IV) coal at Orukpa and Okaba
Antwortdetails
The location of the iron and steel industry at Ajaokuta in Nigeria can be best explained by considering certain factors critical to the iron and steel production process. These factors include **availability of raw materials**, **efficient transportation networks**, and **proximity to fuel sources**.
Firstly, the presence of **iron ore at Itakpe** is crucial because iron ore is the primary raw material needed for steel production. The proximity of Itakpe's iron ore deposits to Ajaokuta reduces transportation costs and ensures a steady supply of the primary raw material, enhancing the industry's efficiency. Therefore, **availability of iron ore is a significant consideration**.
Secondly, **limestone at Ewekoro** is essential because limestone is a critical component used in removing impurities during the steelmaking process, particularly in the blast furnace. Limestone acts as a flux which combines with impurities and forms slag that can be easily removed. **Proximity to limestone sources ensures access to necessary materials for processing**, which is a factor in choosing the location of the industry.
The presence of a **river port at Lokoja** facilitates the transportation of raw materials and finished products, as waterways provide a cost-effective and efficient means of transportation. This is important for both importing required materials and exporting the finished steel products.
Additionally, **coal at Orukpa and Okaba** is important as coal is often used to generate the high temperatures needed in steel production, either directly or through the production of coke, a coal derivative used in blast furnaces.
In conclusion, the location of the iron and steel industry at Ajaokuta is best explained by the presence of:
Therefore, the most relevant factors are the **availability of iron ore and limestone**, making the best answer "I and II only".
Frage 19 Bericht
A mercury barometer is used for measuring
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A mercury barometer is used for measuring atmospheric pressure.
Here's a simple explanation:
A barometer is an instrument designed to measure the pressure exerted by the atmosphere. The atmosphere exerts pressure because of the mass of air above the Earth, and this pressure changes as you move up and down in altitude or due to weather systems.
A mercury barometer consists of a long glass tube closed at one end and filled with mercury. The open end of the tube is placed in a bowl of mercury, called a reservoir. The pressure from the air pushing down on the mercury in the bowl forces the mercury up the tube. When the atmospheric pressure is high, the mercury in the tube rises, and when the atmospheric pressure is low, the mercury level falls.
Thus, by measuring the height of the mercury column in the tube, we can determine the atmospheric pressure. In summary, a mercury barometer provides a way to directly observe changes in the atmospheric pressure.
Frage 20 Bericht
Which of the following regions in Nigeria has an average height of over 100 metres above sea level?
Antwortdetails
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
Frage 21 Bericht
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.
Frage 22 Bericht
Which of the following best accounts for the decline in the importance of rail transport in Africa?
Antwortdetails
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.
Frage 23 Bericht
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.
Frage 24 Bericht
A geyser is best described as/an
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A geyser is best described as a fountain of superheated steam. This natural phenomenon occurs when water that is trapped beneath the Earth's surface is heated by geothermal activity, such as volcanic activity, deep underground. As the water is heated, it turns into steam and builds up pressure. This pressure eventually forces the steam and hot water to be expelled violently from the ground in a dramatic outburst, creating a fountain-like effect.
Let's break this down a bit more:
This distinct eruption is what characterizes a geyser and differentiates it from other geothermal features like hot springs or thermal pools, which do not erupt but simply release heat gradually into the water.
Frage 25 Bericht
A conurbation is a settlement
Antwortdetails
A conurbation is a large urban area where several towns or cities have grown and merged together over a significant geographical area. This results in a continuous urban environment that functions as a single economic, social, and administrative unit. It is characterized by not only the physical merging but also the economic and social integration of these urban areas. Importantly, while these towns join together, they often retain their individual identities to some extent, but collectively they function as a larger urban zone.
Hence, the most accurate explanation is that a conurbation is a settlement where a large number of towns join together over a considerable area. This results in significant density and sometimes shared infrastructure and services. It is not merely about the number of people, nor does it focus primarily on an agricultural economy (such as predominantly farmers). Likewise, even though two or more towns combine, the emphasis is on the large-scale joining and integration process across numerous towns, rather than solely retaining distinct identities.
Frage 26 Bericht
Which of the following settlement type is the largest?
Antwortdetails
In the context of settlement types and their sizes, the largest is a megalopolis.
Let me explain this in simple terms:
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.
Frage 27 Bericht
Which of the following dams in Africa provides both irrigation water and hydro-electricity?
Antwortdetails
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.
Frage 28 Bericht
Which of the following lines of latitudes divides the earth into two hemispheres
Antwortdetails
The line of latitude that divides the Earth into two hemispheres is the Equator. The Equator is an imaginary line that is drawn around the middle of the Earth. It is equidistant from the North and South Poles, and it is located at 0 degrees latitude.
Because it sits exactly halfway between the poles, the Equator splits the Earth into two equal parts: the Northern Hemisphere and the Southern Hemisphere. The land and water areas located to the north of the Equator make up the Northern Hemisphere, while those located to the south comprise the Southern Hemisphere.
The importance of the Equator is not just in the division of hemispheres; it also plays a crucial role in climate. Regions located near the Equator typically experience a tropical climate with minimal temperature variations year-round.
In contrast, lines like the Tropic of Cancer and the Tropic of Capricorn are found north and south of the Equator, respectively, and they define the limits of the tropical zone. The Antarctic Circle is situated further south and marks a different climatic boundary.
Frage 29 Bericht
If the local time at a place X is 12.00 noon when the G.M.T is 5.00a.m then X is located on longitude
Antwortdetails
To determine the longitude of place X, we need to understand the relationship between time and longitude. The Earth is divided into 360 degrees of longitude, and it completes one full rotation (360 degrees) in 24 hours. Therefore, for every hour, the Earth rotates 15 degrees of longitude.
The given information is this:
The difference in time between GMT and the local time at place X is 7 hours (from 5:00 a.m. to 12:00 noon).
Calculation:
Now, we need to determine whether place X is east or west of the Prime Meridian (0° longitude, the reference line for GMT).
- Since the local time at place X is ahead of GMT (12:00 noon compared to 5:00 a.m.), it means X is east of the Prime Meridian.
Thus, place X is located on 105°E.
Frage 30 Bericht
Which of the following is not a type of mountain?
Antwortdetails
There is no such thing as a "mountain of accumulation". The other options - conical mountain, block mountain, and fold mountain - are all types of mountains.
Frage 31 Bericht
Which of the following is not an element of climate?
Antwortdetails
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**.
Frage 32 Bericht
Which of the following environmental hazards is due primarily to human activities?
Antwortdetails
The environmental hazard that is due primarily to human activities is ozone depletion.
The ozone layer is a protective shield in the Earth's stratosphere that absorbs most of the Sun's harmful ultraviolet radiation. The thinning of the ozone layer is mainly caused by the release of man-made chemicals. The most significant contributors to this environmental hazard are chlorofluorocarbons (CFCs) and other ozone-depleting substances (ODS) which have been used in refrigeration, air conditioning, foam production, and aerosol propellants. When these chemicals reach the stratosphere, they break down ozone molecules, leading to what is known as the "ozone hole."
In contrast, the other environmental hazards listed—hurricanes, earthquakes, and volcanic eruptions—are natural phenomena. While human activities can influence the severity or impact of these events, such as through climate change exacerbating the intensity of hurricanes or human settlement in earthquake-prone areas, they are not primarily caused by human actions.
Frage 33 Bericht
All the major industrial zones of Nigeria owe their origin mainly to
Antwortdetails
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.
Frage 34 Bericht
The system of cultivation of tropical commercial crops estates is known as
Antwortdetails
The system of cultivation of tropical commercial crops estates is known as plantation agriculture.
Plantation agriculture is a type of farming where a single crop, often a cash crop, is grown on a large area of land. This method is commonly seen in tropical areas where conditions favor the growth of certain commercial crops like tea, coffee, rubber, cocoa, and palm oil.
The defining characteristics of plantation agriculture include:
This system significantly contributes to the economies of tropical regions by generating foreign exchange and providing employment opportunities.
Frage 35 Bericht
The solar system comprises the sun and
Antwortdetails
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.
Frage 36 Bericht
Which of the following is not true of pie chart?
Antwortdetails
Pie charts are not suitable for representing data with wide extremes, as they are better suited for showing proportions and percentages.
Frage 37 Bericht
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?
Antwortdetails
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:
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.
Frage 38 Bericht
The equatorial diameter of the earth is approximately
Antwortdetails
The equatorial diameter of the earth is approximately 6,760 km. This is the distance from the equator to the equator, passing through the center of the earth.
Frage 39 Bericht
Mountains formed as a result of compressional forces in the earth's crust are
Antwortdetails
The mountains formed as a result of compressional forces in the Earth's crust are known as fold mountains. Fold mountains are created when two tectonic plates collide, and the compressional forces involved cause the layers of the Earth's crust to crumple and fold.
Imagine it like pushing two pieces of paper together from opposite ends; they begin to crumple and form folds. Similarly, when large sections of the Earth's crust are subjected to immense pressures from the sides, they buckle and bend into wave-like structures called folds. These folds then rise over time to form fold mountains.
Some of the most well-known mountain ranges in the world, like the Himalayas, the Alps, and the Rockies, are examples of fold mountains.
In summary, fold mountains are formed by the compression and folding of the Earth's crust, making them a direct result of tectonic forces that push the land upwards to form mountains.
Frage 40 Bericht
A major problem in agricultural development in Nigeria is
Antwortdetails
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:
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.
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