A mixture of decomposed organic matter in soil that is usually dark in colour is called
A)regolith.
B)polypedon.
C)humus.
D)mineral matter.
E)illuvium.

Question

Quizplus · Accepted Answer

Humus is a mixture of decomposed organic matter in soil that is usually dark in colour. Regolith refers to the layer of unconsolidated rock, mineral fragments, soil, and other materials on top of solid rock. Polypedon is a basic unit of soil classification, while illuvium refers to material that has been washed down into a lower soil layer by water. Mineral matter refers to the inorganic components of soil.

A Mixture of Decomposed Organic Matter in Soil That Is