What determines the type of soil that is created when it is formed?

A) The type of rock and minerals in the parent material

B) The types of organisms living in the soil

C) The altitude of the location of soil formation

D) The amount of time it takes to create the soil

A.

Explanation:

The factors that affect soil formation are climate, rock type, slope, time, and biological activity. Differences in these factors will produce different types of soil. Soil type determines what can grow in a region. Humus, the decayed remains of living organisms, is essential for soils to be fertile.

B) is the answer because the decayed remains living organisms, is essential for soils to be fertile