Question

1. each layer of a soil profile is called a _________. a. o horizon b. o horizontal c. o humus d. o litter

Explanation:

In soil science, each layer of a soil - profile is known as a horizon. Horizons have distinct physical, chemical, and biological characteristics. Horizontal is a direction, humus is organic matter in soil, and litter is plant material on the soil surface.

Answer:

A. horizon