The A or A/O horizon combination is sometimes called the ________.
A) silica
B) epipedon
C) eluviation
D) podzol
E) illuviation

Question

Quizplus · Accepted Answer

The A and A/O horizons are the uppermost mineral horizons in the soil profile that contain high amounts of organic matter and are characterized by high biological activity. These two layers combined are referred to as an epipedon, which is a diagnostic horizon used to classify soils.

The a or A/O Horizon Combination Is Sometimes Called the ________