A soil with a thin A horizon, a thick O horizon and a B horizon with considerable clay content is most likely a ________ soil.
A) forest
B) rainforest
C) grassland
D) desert
E) wetland

Question

Quizplus · Accepted Answer

A soil with a thin A horizon and a thick O horizon generally indicates a forested area where leaf litter and organic matter accumulate on the surface. The presence of a B horizon with considerable clay content also suggests that the soil has undergone significant weathering and may be relatively old. Forests typically have more organic matter inputs than other ecosystems, which can contribute to the development of a thick O horizon.

A Soil with a Thin a Horizon, a Thick O