The downward transport of fine particles carrying them out of the upper soil layers is:
A)illuviation
B)soil enrichment
C)transformation
D)eluviation

Question

Quizplus · Accepted Answer

The term used for the downward movement of fine particles from the upper soil layer is eluviation. Eluviation is the opposite of illuviation, which refers to the process of accumulation of materials in the lower layers of the soil. So, option D, eluviation, is the correct answer. Soil enrichment and transformation are not terms associated with the downward movement of fine particles.

The Downward Transport of Fine Particles Carrying Them Out of the Upper