What Comprises the Middle Layer of Healthy Soil, Between the Top

Question

What comprises the middle layer of healthy soil, between the top and base layers?
A) only recently eroded rock
B) only decomposing animal wastes
C) only dead plants, animals, and other organisms
D) a mixture of eroded rock and decaying matter

Accepted Answer

The middle layer of healthy soil is called the subsoil layer. It is composed of a mixture of eroded rock and decaying matter, such as dead plants, animals, and other organisms. This layer is important for providing nutrients to plants and allowing water to flow through the soil.