Humus and the smallest particles of rock form the

(a) A-horizon
(b) B-horizon
(c) C-horizon
(d) bedrock

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Solution

(a) A-horizon
Humus and the smallest particles of rock form the upper layer of soil called topsoil or A-horizon.

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Similar questions

Match the following and choose the correct option:

\begin{matrix} i . A - horizon & a . Small lumps of rocks i i . B - horizon & b . Partially decomposed organic matter i i i . C - horizon & c . Rich in humus, living creatures, and inorganic minerals i v . O-horizon & d . Less humus and more minerals, compact \end{matrix}

What is the difference in the rocks of the C horizon and the rocks in the bedrock.

Availability of water and minerals in the soil for maximum absorption by roots is in the –

(a) B-horizon
(b) C-horizon
(c) A-horizon
(d) surface of soil

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