Question

This layer is rich in humus​

Answer 1

Answer:

Soil is usually layered. The uppermost layer is called topsoil and this layer contains humus, plant roots, and living creatures. The more humus found in topsoil, the more nutrient rich the topsoil and the better the conditions for growing plants

Explanation:

so your answer is topsoil

top most layer

Answer 2

topsoil consists of most humus content.

Explanation:

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