Is it true that humus is the lightest soil component that floats on the water's surface?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
When plants drop leaves, twigs, and various materials to the ground, it piles up and, after some time, form humus. Humus is a dark-coloured natural substance generated by the decomposition of plants and animals that remains in the soil. It holds the topsoil in place. It is the lightest soil component that floats on the water surface. It absorbs and retains the water used in the growth of vegetation. It is a food source for the various organisms that live inside the soil.

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