Question

Humus which is formed by the decay of plant and animal matter is important for the formation of most,

a) rounded sediments,
b) soils,
c) surface bedrock,
d) minerals

Answer 1

b) soils.

Step-by-step explanation:

Humus which is formed by the decay of plant and animal matter is important for the formation of most, soils.

Soil formation occurs as a result of the the decay or the remains of plants and animals which are used up.