The O horizon is __________________
A)primarily loam
B)usually more sand than silt or clay
C)composed primarily of bedrock
D)composed of equal amounts of bedrock and organic material
E)primarily composed of organic materials

Question

Quizplus · Accepted Answer

The O horizon, also known as the organic horizon, is the uppermost layer of soil and is primarily composed of organic materials such as decomposed vegetation and animal matter.

The O Horizon Is __________________