In which of the following areas will soil formation be greatest?

a. a steep slope in a warm, wet climate
b. a flat area in a cold, wet climate
c. a flat area in a warm, wet climate
d. a north-facing area on a steep slope

C: A flat area in a cold, wet climate.

Explanation:

You need it to be flat and cold and also it need to be a  wet climate.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

the answer is :