Question

Name the different layers of soil. What does each layer consist of?

Answer 1

The different layers of soil are as follows:
(i) Topsoil (A-horizon):
It consists of humus and the smallest particles of rock.
(ii) Subsoil (B-horizon):
It consists of small pieces of rocks and some nutrients such as soluble minerals and iron oxides.
(iii) Parent rock (C-horizon):
It consists of small pieces of rocks with cracks and crevices.