The two most important factors which account for the pattern of population distribution in West Africa are

Favourable physical conditions and human inertia

Economic prosperity and regional migration

Economic prosperity and favourable physical conditions

Favourable physical conditions and human inertia

Historical antecedence and regional migration

JAMB UTME - Geography - 2018 | Green Bridge CBT

Pregunta 1 Informe

The most extensive vegetation type in the area marked Z is the

Mangrove swamp

Coastal thicket

Fresh water swam

Guinea savannah

Detalles de la respuesta

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Physical Geography

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Pregunta 2 Informe

Soil conservation can be achieved through___________-

Monoculture

Mechanization

Strip-cropping

Floriculture

Detalles de la respuesta

Soil conservation is the preventing of soil loss from erosion or reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination

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Elements Of Physical Geography

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Pregunta 3 Informe

All the following are examples of intrusive volcanic features except____________

dykes

sills

laccolith

lava plateaux

Detalles de la respuesta

Intrusive vulcanicity involves the solidification of molten magma within the earth's crust

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Physical Geography

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Pregunta 4 Informe

Fluid basic lava flow is likely to give rise to a volcanic_____________

cinder

saddle reef

shield

gap

Detalles de la respuesta

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.

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Physical Geography

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Pregunta 5 Informe

Which of the following winds affects the West Indian Islands of the Caribbean?

Territorial

mistral

chinook

hurricane

Detalles de la respuesta

Wind is the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction

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Human Geography

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Pregunta 6 Informe

'It is universal and can reach almost every where'. Which transport mode is being referred to ?

ocean

railway

road

ropeways

Detalles de la respuesta

The transport mode that is being referred to as universal and can reach almost everywhere is the road transport. Road transport refers to the movement of people, goods, or materials on roads using vehicles such as cars, buses, trucks, and motorcycles. The road network is extensive and well-developed in most parts of the world, making it possible for vehicles to reach even the most remote areas. Road transport is flexible and can adapt to different types of cargo, from small packages to large containers. It can also accommodate different types of trips, from short local trips to long-distance journeys. This versatility makes it an important mode of transport for both personal and commercial use. Overall, road transport is a crucial component of modern transportation systems and plays a significant role in the economy and daily life of people around the world.

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Pregunta 7 Informe

The dominant foreign exchange earner of Senegal is

tourism

groundnut

fish

iron-ore

Detalles de la respuesta

The dominant foreign exchange earner of Senegal is groundnut. Groundnut, also known as peanut, is one of the main agricultural crops grown in Senegal. It is a versatile crop that can be used for food, oil, and animal feed. Groundnuts are an important source of income for many farmers in Senegal, and the country is one of the largest producers of groundnuts in Africa. The export of groundnuts is a significant source of foreign exchange for Senegal. The country exports groundnuts to various international markets, including Europe, Asia, and the Middle East. In addition to groundnuts, Senegal also exports other agricultural products such as fish, fruits, and vegetables, as well as textiles and chemicals. However, groundnuts remain the main foreign exchange earner for the country.

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Regional Geography Of Senegambia

Tourism

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Pregunta 8 Informe

A form of chemical weathering is__________

fragmentation

exfoilation

carbonation

shattering

Detalles de la respuesta

The form of chemical weathering is carbonation. Carbonation is a type of chemical weathering that occurs when carbon dioxide from the air reacts with minerals in rocks to form new compounds. This reaction causes the minerals in the rock to dissolve and the rock to become weaker and eventually break down into smaller pieces. This process is important in the formation of soil, as it helps break down rocks and minerals into smaller particles that can be easily transported and mixed into the soil.

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Physical Geography

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Pregunta 9 Informe

Which of the following countries has the least potential for the production of steel?

India

Cuba

Japan

Germany

Detalles de la respuesta

Among the options given, Cuba has the least potential for the production of steel. Cuba is a small island country in the Caribbean with a limited supply of natural resources, including iron ore and coal, which are essential raw materials for steel production. Cuba's iron reserves are low-quality and require significant processing to be suitable for steelmaking. Additionally, Cuba has limited access to modern steelmaking technology and expertise, which further restricts its potential for steel production. On the other hand, India, Japan, and Germany have significant potential for steel production. India is one of the world's largest producers of steel, with abundant iron ore reserves and a highly skilled workforce. Japan and Germany are also major players in the global steel industry, with advanced technology and ample access to raw materials.

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Regional Geography Of Liberia

Industry

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Pregunta 10 Informe

Study the map and answer the question. Intervisibility is possible between the points marked X and Y because the intervening slope is

Convex

Rectilinear

Convexo-concave

Steep slope

Detalles de la respuesta

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Physical Geography

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Pregunta 11 Informe

The feature is one or the land forms associated with_________

River erosion

Wind deposition

Wave erosion

River deposition

Detalles de la respuesta

The feature associated with river erosion is valleys. River erosion occurs when a river's fast-moving water cuts into its riverbed and banks, causing the river to widen and deepen over time. This process creates steep-sided valleys that are wider at the bottom than at the top. The riverbed and banks are constantly being reshaped by the erosive forces of the water, which carry away sediment and rocks. Over time, the river's course may change as it continues to erode and deposit material, carving new valleys and leaving behind a signature of its past path in the form of terraces.

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Physical Geography

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Pregunta 12 Informe

Use the diagram below to answer the question. The feature marked X in the diagram is a

Spit

Stack

Beach

Wedge

Cliff

Detalles de la respuesta

The feature marked X in the diagram is a cliff. A cliff is a high and steep rock face or earth surface that drops abruptly from a higher to a lower level. It can also be defined as a steep slope or vertical surface, especially one at the edge of a body of water like the ocean or a lake. The diagram shows a rocky surface that slopes down dramatically towards the water, which is a clear indication that it is a cliff.

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Physical Geography

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Pregunta 13 Informe

How long does it take the mercury to make a complete revolution?

62 days

225 days

365 days

88 days

Detalles de la respuesta

The answer is 88 days. Mercury is the planet closest to the Sun, and it orbits around the Sun at a very fast pace. It takes approximately 88 Earth days for Mercury to make one complete orbit around the Sun. This means that Mercury completes about 4 orbits in the time it takes Earth to complete 1 orbit. Because of its fast orbit and close proximity to the Sun, Mercury experiences extreme temperature variations, with temperatures ranging from over 800 degrees Fahrenheit during the day to -290 degrees Fahrenheit at night.

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Physical Geography

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Pregunta 14 Informe

When the moon comes in between the earth and the sun________

eclipse of the moon occurs

a solar eclipse occurs

the length of the day varies

the length of the day increases

Detalles de la respuesta

A solar eclipse occurs when the moon comes between the earth and the sun. During a solar eclipse, the moon blocks the sun's light and casts a shadow on the earth. This causes a temporary darkness in the middle of the day and is a spectacular sight to see. Solar eclipses can only happen during a full moon and are relatively rare events. They occur because the moon and the sun are exactly in line with the earth and the moon's shadow falls on the earth.

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Physical Geography

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Pregunta 15 Informe

The system of cultivation of tropical commercial crops estates is known as____________

strip cultivation

plantation agriculture

mixed cropping

intensive farming

Detalles de la respuesta

The system of cultivation of tropical commercial crops estates is known as plantation agriculture. Plantation agriculture refers to a large-scale farming system where a single crop is grown on a large piece of land, usually in tropical countries. This type of agriculture is characterized by the use of large amounts of land, labor, and capital to cultivate crops such as rubber, sugar, coffee, cocoa, and tea. These crops are grown for commercial purposes, and the aim is to produce large quantities of a single product for export. The crops are typically grown in monoculture, which means that only one type of crop is grown in a particular area. This type of agriculture is often associated with the exploitation of workers, environmental degradation, and social and economic inequality.

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Industry

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Pregunta 16 Informe

An alternative graphic method that can be used to depict the same information as a pie chart is the___________

Divided Rectangle

Chloropleth

Dot man

Proportional Circle

Detalles de la respuesta

A choropleth map is a thematic map in which areas are shaded or patterned in proportion to the measurement of the statistical variable being displayed on the map, such as population density or per-capita income.

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Statistical Maps And Diagrams

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Pregunta 17 Informe

Study the table given which shows the mean climatic conditions of station Q and answer the questions.

Month	J	F	M	A	M	J	J	A	S	O	N	D
Temp(°C)	-11	-9	4	3	12	17	19	17	11	4	-2	-8
Precipitation(mm)	28	23	30	38	48	51	71	74	56	36	41	41

The annual temperature range at the station is

20°C

30°C

40°C

10°C

Detalles de la respuesta

The annual temperature range at station Q is calculated as the difference between the highest and the lowest temperature recorded in a year. The highest temperature recorded at the station in the given table is 19°C and the lowest temperature recorded is -11°C. Hence, the annual temperature range at the station Q is 19°C - (-11°C) = 30°C. So, the answer is 30°C.

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Physical Geography

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Pregunta 18 Informe

One of the leading industrial nations of the world ranking second in manufacturing output after the USA is__________

Germany

Britain

Japan

Russia

Detalles de la respuesta

Manufacturing industry in Japan is the most diversified with various advanced industries which are exceedingly successful. Japan's major export industries includes automobiles, consumer electronics, computers, semiconductors, and iron and steel. Additionally, key industries in Japan's economy are mining, nonferrous metals, petrochemicals, pharmaceuticals, bioindustry, shipbuilding, aerospace, textiles, and processed foods

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Industry

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Pregunta 19 Informe

'It is a port that specializes in receiving and redistributing goods to the neighboring countries'. Which of the following ports is described in the preceding statement?

Ferry port

outport

Entreport

River port

Detalles de la respuesta

The port described in the statement is an Entrepôt. An entrepôt is a port or a place where goods are stored temporarily before being re-exported to other countries. It acts as a distribution center for goods, receiving them from one place and then redistributing them to other places. A ferry port is a place where ferries arrive and depart, carrying passengers and vehicles across bodies of water. An outport is a smaller port that is located away from the main port and is usually used for loading and unloading goods. A river port is a port located on a river and is used for loading and unloading goods and passengers along the river.

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Transportation

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Pregunta 20 Informe

Study the table given which shows the mean climatic conditions of station Q and answer the questions.

Month	J	F	M	A	M	J	J	A	S	O	N	D
Temp(°C)	-11	-9	4	3	12	17	19	17	11	4	-2	-8
Precipitation(mm)	28	23	30	38	48	51	71	74	56	36	41	41

What type of climate has the station?

Cool temperate

Warm temperate

Mediterranean

Cold temperate

Detalles de la respuesta

Based on the given mean climatic conditions, the station has a "Cool Temperate" climate. This is because the average temperature during the warmest month (July) is 19°C, which is below the threshold for a "Warm Temperate" or "Mediterranean" climate. Additionally, the average temperature during the coldest month (January) is -11°C, which is characteristic of a "Cool Temperate" or "Cold Temperate" climate. The amount of precipitation throughout the year is moderate, with the wettest month being July with 71mm of rainfall.

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Physical Geography

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Pregunta 21 Informe

Lines joining places with same mean annual rainfall are called___________

isohyets

isohels

isohalines

isotherms

Detalles de la respuesta

Lines joining places with the same mean annual rainfall are called isohyets. Isohyets are lines drawn on a map connecting points that receive the same amount of rainfall in a year. The word "isohyet" comes from the Greek words "iso" meaning "equal" and "hyetos" meaning "rain". These lines help us understand the patterns and distribution of rainfall over a certain area, and can be useful for various purposes such as agriculture, water management, and meteorology.

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Statistical Maps And Diagrams

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Pregunta 22 Informe

A well will always contain water if its dug_________

Below the Earth's basin

To reach sand bearing water

Above the water table

Below the water table

Detalles de la respuesta

The sans bearing water or the acquifier is a body of permeable rock which can contain or transmit water. The body (acquifier) is generally a rock with permeability and porosity. They can hold water and provide sufficient rate. If a well is drilled, one does not always get water unless the acquifier is reached

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Physical Geography

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Pregunta 23 Informe

The oldest system of agriculture in Nigeria which now survives only in very remote areas is

Bush fallowing

mixed farming

Shifting cultivation

Market gardening

Detalles de la respuesta

The oldest system of agriculture in Nigeria which now survives only in very remote areas is shifting cultivation, also known as slash-and-burn agriculture. Shifting cultivation involves cutting down a patch of forest or woodland, burning the vegetation, and planting crops in the ash-enriched soil. Farmers would use the land for a few years until the soil fertility decreases, then abandon it and move to a new area, leaving the old area to regenerate into forest or woodland. This practice was sustainable when population densities were low and farmers had access to vast areas of land. However, with the growth of population and increased pressure on land, shifting cultivation has become less sustainable, leading to soil degradation, deforestation, and loss of biodiversity. Today, shifting cultivation survives only in very remote areas, where population densities are still low and access to land is not restricted.

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Practical Geography

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Pregunta 24 Informe

The peeling off of surface layers of a rounded boulders during mechanical weathering is called________

Rock fragmentation

Solifluction

Exfoliation

Weathering

Detalles de la respuesta

The peeling off of surface layers of a rounded boulder during mechanical weathering is called exfoliation. Exfoliation is a type of mechanical weathering process that occurs when layers of rock or boulder peel off from the surface due to pressure release. The process usually occurs in rocks that have been exposed to intense heat, pressure, and other environmental factors for a long time. As a result of these factors, the rock expands and contracts repeatedly, causing the surface layers to crack and break apart. Over time, these cracks become wider, and the layers begin to peel off, revealing the smooth and rounded boulder underneath. Exfoliation is often seen in granitic rocks, where the outer layers peel off to form concentric layers resembling an onion. The process can also occur in other rock types such as sandstone and shale. Overall, exfoliation is an important geological process that contributes to the breakdown and erosion of rocks over time, shaping the landscape around us.

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Physical Geography

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Pregunta 25 Informe

Use the information given in the chart and answer the question. If the total population of the city is 500,000 what is the population of ward 4?

75,000

125,000

100,000

150,000

Detalles de la respuesta

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World Population

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Pregunta 26 Informe

In which of the following rock types is petroleum mainly found?

Metamorphic

Plutonic

Igneous

Volcanic

Sedimentary

Detalles de la respuesta

Petroleum is mainly found in sedimentary rocks. Sedimentary rocks are formed from the accumulation and cementation of sediments, which can include organic matter such as dead plants and animals. Over time, this organic matter can become buried and subjected to heat and pressure, which can transform it into petroleum through a process called diagenesis. Petroleum is a fossil fuel that is composed of hydrocarbons, which are molecules made up of carbon and hydrogen atoms. The organic matter in sedimentary rocks that forms petroleum is usually derived from marine plants and animals that died and sank to the bottom of the ocean. Over time, these organic remains can be buried by layers of sediment, and the heat and pressure from the overlying rocks can cause them to be transformed into petroleum. While it is possible for petroleum to be found in other types of rocks, such as metamorphic rocks that have undergone extreme heat and pressure, sedimentary rocks are by far the most common type of rock that contains petroleum. This is because the process of petroleum formation requires the accumulation and burial of organic matter, which is most likely to occur in sedimentary environments such as oceans, lakes, and swamps.

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Elements Of Physical Geography

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Pregunta 27 Informe

One basic mineral that is common to Sokoto, Ewekoro, Calabar and Nkalagu is

Gypsum

Coal

Marble

Iron-Ore

Limestone

Detalles de la respuesta

The basic mineral that is common to Sokoto, Ewekoro, Calabar, and Nkalagu is limestone. Limestone is a sedimentary rock that is composed mainly of calcium carbonate, which is a mineral that is commonly found in the Earth's crust. It is a very versatile mineral that has a wide range of applications, including in the construction industry, as a raw material for cement production, and in agriculture as a soil conditioner. Sokoto, Ewekoro, Calabar, and Nkalagu are all regions in Nigeria that have abundant deposits of limestone. The limestone in these areas is of high quality and is a significant source of revenue for the local economy. It is usually mined from quarries and then processed into various forms for its different uses. Therefore, the basic mineral that is common to all these areas is limestone, which is an essential raw material for various industries and is vital for economic growth and development.

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Elements Of Physical Geography

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Pregunta 28 Informe

If the distance between two places on a map is 2cm, while the distance on land is 4km, the scale of the map is

1:100,000

1:200,000

1:50,000

1:150,000

Detalles de la respuesta

The scale of a map is the ratio of the distance on the map to the actual distance on land. It is usually written as a fraction, like 1:100,000, where the first number represents the distance on the map and the second number represents the corresponding distance on land. To find the scale of the map in question, we need to divide the actual distance on land (4km) by the distance on the map (2cm). First, we need to convert 4 km to cm: 4 km = 4 x 10^3 m = 4 x 10^3 x 100 cm = 4 x 10^5 cm Now, we divide the actual distance on land (4 x 10^5 cm) by the distance on the map (2 cm): (4 x 10^5 cm) / (2 cm) = 2 x 10^5 So the scale of the map is 1 : 2 x 10^5, which is equivalent to 1:200,000.

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Principles Of Elementary Surveying*

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Pregunta 29 Informe

British foreign investments are concentrated in

EU countries

Commonwealth countries

Developed countries

Commonwealth Nations

Detalles de la respuesta

The commonwealth of nations, known as commonwealth is an inter governmental organisation of 53 member States that are mostly former territories of the British empire

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Industry

Human Geography

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Pregunta 30 Informe

The greatest volcanic regions of Africa are found in

The maghrib

Kenya and Tanzania

The camerouns

Sudan and Ethiopia

Detalles de la respuesta

The greatest volcanic regions of Africa are found in two main areas: Kenya and Tanzania, and Sudan and Ethiopia. In Kenya and Tanzania, the Great Rift Valley runs through the region and is home to some of the most iconic volcanic features on the continent. The valley is characterized by a series of interconnected volcanoes, hot springs, geysers, and lakes. The most famous volcanic peaks in the area are Mount Kilimanjaro, Mount Kenya, and Mount Meru. In Sudan and Ethiopia, the East African Rift Valley also runs through the region and is another hotspot for volcanic activity. The valley is home to a number of active and dormant volcanoes, including Erta Ale, Nyiragongo, and Mount Karthala. In addition, the region is known for its geothermal activity, with numerous hot springs and geysers dotting the landscape. Both of these regions are characterized by their tectonic activity, with the movement of the Earth's crust leading to the formation of rift valleys, which in turn create the conditions for volcanic activity. The result is a stunning and unique landscape that draws visitors from all over the world.

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Regional Geography Of Africa

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Pregunta 31 Informe

A broad-based population pyramid is composed mainly

active inhabitants

old dependants

young dependants

more females than males

Detalles de la respuesta

A broad-based population pyramid is composed mainly of young dependants and active inhabitants. This means that there are more people in the younger age brackets (typically 0-14 years old) and a significant proportion of the population is in the working age bracket (typically 15-64 years old). The number of elderly people (typically 65 years and above) in this type of pyramid is relatively small. Broad-based population pyramids are typically associated with countries that have high birth rates and lower life expectancies. In these countries, the younger population tends to be larger and the older population tends to be smaller due to factors such as high infant mortality rates and shorter life spans. The larger working-age population in these countries can be a potential source of economic growth if they are able to find employment and contribute to the country's development.

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World Population

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Pregunta 32 Informe

Which of the following is not a form of mass movement?

landslide

earthquake

rockslide

talus creep

Detalles de la respuesta

The answer is "earthquake" as it is not a form of mass movement. Mass movement refers to the process by which large amounts of soil, rock, and other debris move down a slope under the influence of gravity. Landslides, rockslides, and talus creep are all examples of mass movement. An earthquake, on the other hand, is a sudden shaking of the earth's surface caused by the movement of tectonic plates. While earthquakes can cause landslides and other types of mass movement, the earthquake itself is not a form of mass movement. Instead, it is a geological event that can trigger mass movement in the surrounding area.

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Pregunta 33 Informe

Use the map below to answer the question. The most important minerals found in the area marked X are

Lead and Zinc

Tin and columbite

Galena and Tantalite

Iron ore and thorium

Detalles de la respuesta

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Physical Geography

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Pregunta 34 Informe

A type of land-form that is associated with large scale orogeny is a

Fold mountain

Residual mountain

Block mountain

Volcanic mountain

Detalles de la respuesta

A fold mountain is a type of land-form that is associated with large scale orogeny. In simple terms, orogeny is the process of mountain building, which occurs when two tectonic plates collide and push up the land between them. This process causes the rock layers to bend, fold and become uplifted, creating a fold mountain. Examples of fold mountains include the Rocky Mountains in North America and the Himalayas in Asia.

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Physical Geography

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Pregunta 35 Informe

Organic components of the soil include all the following except_______

Micro organisms

Humus

Rock pedestal

Animal remains

Detalles de la respuesta

The organic components of the soil include microorganisms, humus, and animal remains. The correct answer, therefore, is "rock pedestal." Rock pedestal, also known as bedrock, is a non-organic component of the soil. It is the solid, underlying layer of rock that makes up the Earth's crust. Bedrock does not contain any organic material, and it does not contribute to the fertility of the soil. On the other hand, the organic components of soil are essential for healthy plant growth. Microorganisms break down organic matter into nutrients that plants can absorb, while humus provides a rich source of nutrients for plant growth. Animal remains, such as dead insects or animal waste, can also provide organic material for the soil. In summary, while microorganisms, humus, and animal remains are all examples of organic components of soil, rock pedestal is a non-organic component and does not contribute to the fertility of the soil.

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Physical Geography

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Pregunta 36 Informe

Study the map and answer the question. The bearing of Jata from Adaba is approximately

29°

170°

21°

25°

Detalles de la respuesta

To determine the approximate bearing of Jata from Adaba using the map, we need to look at the compass rose and use the scale provided. Looking at the compass rose, we can see that North is pointing towards the top of the map. To find the bearing of Jata from Adaba, we need to draw a straight line from Adaba to Jata on the map, and then measure the angle between this line and North using a protractor. Measuring this angle, we can see that it is approximately 21 degrees. Therefore, the bearing of Jata from Adaba is approximately 21°. Note that this is an approximation since we are using a ruler and protractor on a printed map, which may not be completely accurate. Additionally, the actual bearing of Jata from Adaba may differ slightly depending on the specific route taken.

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Map Work

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Pregunta 37 Informe

One of the following is associated with wind deflation in arid region_________

Barchan

Yardang

Rock pedestals

Oasis

Detalles de la respuesta

Deflation is an action of wind when it picks up or remove loose particles from an area and leaves a denuded surface covered with coarse material too large for wind transport. The most noticeable results of deflation in some places are shallow depressions called blowouts

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Physical Geography

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Pregunta 38 Informe

Lake Kivu and Malawi are related in that they_________

Lie in the Northern Hemisphere

crater lakes

Attract a large number of tourists

Are rift valley lakes

Detalles de la respuesta

Lake Kivu and Lake Malawi are related in that they are both rift valley lakes. A rift valley lake is a type of lake that forms in a depression or basin created by tectonic activity. In the case of these two lakes, they were formed as a result of the East African Rift, which is a large geological rift that stretches for thousands of kilometers through Eastern Africa. The two lakes are located in different parts of the rift, with Lake Kivu in the western branch and Lake Malawi in the southern branch, but they share a common geological origin.

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Physical Geography

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Pregunta 39 Informe

Study the map and answer the question. The land-form feature at the centre of the map can best be described as

A flood plain

An erosional

An outwash plain

A deltaic plain

Detalles de la respuesta

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Elements Of Physical Geography

Physical Geography

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Pregunta 40 Informe

The plains formed when the slopes of mountains are worn back in arid and semi-arid regions my mechanical weathering is called_______

Alluvial plains

Outwash plains

Pediplains

Savanna plains

Detalles de la respuesta

The plains formed when the slopes of mountains are worn back in arid and semi-arid regions by mechanical weathering is called "Pediplains". Pediplains are a type of plain that form as a result of the gradual erosion and weathering of mountains and hills. They typically occur in arid and semi-arid regions where there is little vegetation to protect the land from erosion. Over time, as the wind, rain, and other natural forces wear away at the mountain slopes, sediment is carried downhill and deposited on the surrounding plain. This sediment can be made up of rocks, sand, and soil, and can create a relatively flat and gently sloping plain that extends out from the base of the mountain. Unlike other types of plains, such as alluvial plains or outwash plains, which are formed by water deposition, pediplains are formed by the mechanical weathering and erosion of rock and soil. They are typically found in regions where there is little precipitation and where the climate is dry and hot, which can help to speed up the weathering process.

Lee la nota de la lección en Physical Geography (JAMB)

Physical Geography

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