_________ is the term for organic matter that can be found in the "O" Horizon and topsoil layer of soil.(1 point)
Responses
Minerals
Minerals
Humus
Humus
Bedrock
Bedrock
Parent rock
1 answer
Humus
Responses
Minerals
Minerals
Humus
Humus
Bedrock
Bedrock
Parent rock
1 answer