Topsoil contains the following:

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Question

(B) The topsoil is the uppermost layer of the soil. It is rich in humus,which is the organic matter formed by the decomposition of dead plants and ani

Vedclass · Accepted Answer

Humus,living organisms and soil particles

Vedclass · Answer

(B) The topsoil is the uppermost layer of the soil. It is rich in humus,which is the organic matter formed by the decomposition of dead plants and animals. It also contains various living organisms (such as bacteria,fungi,earthworms,and insects) and soil particles (sand,silt,and clay). Therefore,topsoil is a mixture of humus,living organisms,and soil particles.

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