Question

how is soil formed?

Answer 1

Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms—all of which interact slowly yet constantly.
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Answer 2

Soil is formed by the weathering of rock. It is the process by which rocks can be break into many smaller pieces and due to extreme climate it is converted into soil.