The removal of dissolved minerals from the soil as water moves downward is called:
A) illuviation.
B) leaching.
C) deposition.
D) decomposition.
E) weathering.

Question

Quizplus · Accepted Answer

Leaching is the process of dissolved minerals being removed from the soil as water moves downward. Illuviation refers to the accumulation of materials that have been leached from the upper layers of soil and deposited in lower layers. Deposition usually refers to the settling or laying down of eroded sediments. Decomposition refers to the breakdown of organic matter, while weathering refers to the physical and chemical breakdown of rocks and minerals in the natural environment.

The Removal of Dissolved Minerals from the Soil as Water