Question

what will happen if top layer of soil is exposed?

Answer 1

hey your ans is here

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when the top layer of soil will be exposed it will gradually make the beneath layers infertile and will thus make the soil infertile as well this is so because the rest of the layers will also get exposed to it and it may also lead to soil erosion which ultimately leads to barren land

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Answer 2

If the top layer of soil is exposed then :
1)Soil erosion may take place.
2)It may lead to the conversion of fertile land to deserts.