Question

Which materials typically make up the A horizon in soil?

Answer 1

Answer: B). Sand, silt and clay

Explanation:

A horizon is a layer that lies parallel to the earth crust. A horizon is a type of horizon which lies below the O horizon. It involves the process of mineralization. It includes fine particles which deposit as a result of weathering process of rocks. Thus it is expected to exhibit sand and silt. The clay is a type of soil that includes organic matter deposit as a result of decay of the plant and animal matter.

Answer 2

B. sand silt and clay {the A horizon in soil largely consists of minerals}