Soils are complex mixtures of both organic and inorganic materials, and they contain a diverse range of organisms including bacteria, fungi, and invertebrates. These organisms play important roles in nutrient cycling and decomposition, and contribute to soil fertility and structure.

Solved

Soils

Question 233

Multiple Choice

Soils

A) are complex mixtures of totally inorganic materials.
B) are sterile.
C) are unaffected by plants that grow in them.
D) are complex mixtures of organic and inorganic materials, and organisms.
E) do not change in composition or structure.

Correct Answer: