Question

The layer of the soil that is dark in colour, has a high content of organic matter is known as :​

Answer 1

Humus has a characteristic black or dark brown color and is an accumulation of organic carbon. Besides the three major soil horizons of (A) surface/topsoil, (B) subsoil, and (C) substratum, some soils have an organic horizon (O) on the very surface.

Answer 2

Answer:

Humus....

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