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The thin layer of grainy substance covering the surface of the earth is called as_______________

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in Energy Management by (679k points)
The thin layer of grainy substance covering the surface of the earth is called as_______________

(a) Mineral

(b) Soil

(c) Sand

(d) Chemical fertilizers

The question was posed to me in an international level competition.

My question comes from Land Resources topic in section Natural Resources of Energy Management

1 Answer

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Right choice is (b) Soil

The explanation is: Soil is the material found on the surface of the earth that is composed of organic and inorganic material. Soil varies in its composition and the structure of its particles. Soil is a vital important to the sustainability of an ecosystem.

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