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Which of the following statements correctly represents B-horizon or the middle layer of the soil?
Question

Which of the following statements correctly represents B-horizon or the middle layer of the soil?

A.

It is made up of small lumps of rocks with cracks and crevices

B.

It is generally soft, porous and can retain more water

C.

It has lesser amount of humous but more of minerals generally harder and more compact

D.

It is hard and difficult to dig with a spade

Correct option is C

The correct answer is (c) It has lesser amount of humous but more of minerals generally harder and more compact.
Explanation:
● Soil is composed of distinct layers called horizons.
● B-horizon (Subsoil) contains less organic matter (humus) but is rich in minerals washed down from the topsoil.
● It is typically harder and denser than the A-horizon.
Information Booster:
● A-horizon (Topsoil) is rich in humus and is soft/porous.
● C-horizon consists of small lumps of rocks with cracks.
● R-horizon is the unweathered parent bedrock.
Additional Knowledge:
● Statement (a) – Describes the C-horizon.
● Statement (b) – Describes the A-horizon (Topsoil).
● Statement (d) – Describes the Bedrock layer (R-horizon.

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