3 years ago

Which of the following correctly identifies the most productive layer of a soil profile?

2 answers:

5 0

Just below the O horizon is “topsoil” or “A” horizon.
Usually it is darker than the lower layers, loose and crumbly with varying amounts or organic matter. Plants roots, bacteria, fungi, and small animals are abundant here, and plants thrive in it. It is generally the most productive layer of soil.

atroni [7]3 years ago

4 0

Answer:

A. topsoil, just below undecomposed organic matter.

Explanation: It's the answer on edgenuity ^-^

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