Question

The topmost layer of land ,options ,humus,soil,bed rock, small rocks​

Answer 1

Answer:

Subsoil — Just below the topsoil is the subsoil layer which contains minerals and clay that have been weathered from rocks. These are mixed with a small amount of decayed matter. ... Parent Material — This layer is just below the subsoil layer and is known as parent material, but is really just rock.

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Answer 2

Answer:

soil

Explanation:

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