Question

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

A. subsoil, between topsoil and parent material

B. parent material, just above bedrock

C. topsoil, just below undecomposed organic matter

D. undecomposed organic matter, at the very top

Answer 1

Topsoil, just below undecomposed organic matter is the answer

Answer 2

Topsoil

Step-by-step explanation:

. topsoil, just below undecomposed organic matter