The topsoil of fertile land appears darker th | vedclass

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Question

(B) The topsoil,also known as the $A$-horizon,is the uppermost layer of soil. It appears darker in color primarily because it is rich in organic matte

Vedclass · Accepted Answer

Rich in organic matter

Vedclass · Answer

(B) The topsoil,also known as the $A$-horizon,is the uppermost layer of soil. It appears darker in color primarily because it is rich in organic matter,known as humus,which is formed by the decomposition of plant and animal remains. This organic matter provides essential nutrients and improves the soil structure,making it highly fertile. In contrast,the deeper layers (subsoil) contain less organic matter and more mineral particles,resulting in a lighter color.

The topsoil of fertile land appears darker than the soil one meter below. The reason for the color of the topsoil is:

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