Question

Which soil horizon contains weathered bits of the parent rock or regolith and only RARELY has organic material or roots?


horizon C


horizon A


horizon O


horizon B

Answer 1

The soil horizon that contains weathered bits of the parent rock or regolith and rarely has organic material or roots is **horizon C**. This horizon is primarily composed of partially weathered rock and serves as the transition between the underlying bedrock and the upper soil horizons.