Question

The soil of arid regions is often infertile. The reason is that
(a) it is very dry
(b) it is very thin
(c) it lacks humus as few plants grow on it
(d) it contains wind-blown deposits​

Answer 1

Answer:

(a)

Arid soils are characterized by significant leaching of nutrients and intensive weathering of minerals, although these two activities are slowed with decreasing rainfall. Natural fertility (which largely depends upon the organic matter content of the topsoil) is often low

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Answer 2

Answer:

a) it is very dry

Explanation:

Arid soils are characterized by significant leaching of nutrients and intensive weathering of minerals, although these two activities are slowed with decreasing rainfall. Natural fertility (which largely depends upon the organic matter content of the topsoil) is often low.

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