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Soil Profile

Which among t...

Question

Which among the following layers of soil is the hardest?

A

Top soil

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B

Humus

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C

Subsoil

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D

Bedrock

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Solution

The correct option is D
Bedrock

Bedrock is the hardest part of the soil. It is the deepest layer of the soil profile and it contains hard rocks. Humus is the dead and decaying matter and is the topmost part of the soil. Subsoil lies below top soil.

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