题目内容

The A horizon of a soil is also called the topsoil.

A. True
B. False

查看答案
更多问题

Usually, both types of weathering usually work simultaneously.

A. True
B. False

The weathering structure of the following picture is:

A. Spheroidal weathering
B. Exfoliation

Compared to the pheroidal weathering, the exfoliation usually shows:

A. Chemical weathering and small scale
B. Chemical weathering and large scale
C. Physical weathering and small scale
D. Physical weathering and large scale

This horizon in the soil profile includes bacteria, fungi, algae, and insects is called:

A horizon
B. O horizon
C. B horizon
D. C horizon

答案查题题库