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Question

Desertification is due to
Deforestation
Soil-erosion caused by water
Soil-erosion caused by wind
Very high temperature and low rainfall

A

Very high temperature and low rainfall

B

Deforestation

C

Soil-erosion caused by wind

D

Soil-erosion caused by water

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Solution

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Desertification is defined as a process of land degradation because of climatic variations and human activities.
Overgrazing is the major cause of desertification worldwide.
Other factors are urbanization, over-drafting of groundwater, and deforestation.
Deforestation results in more soil erosion. Removal of the top layer of the soil exposes the lower, hard, and rocky layers. This soil has less humus and is less fertile.
Gradually the fertile land gets converted into deserts. It is called desertification.

Thus the correct answer is option A.

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