Asked by idk

Which soil horizon contains a layer of partially weathered or unweathered rock?
Question 9 options:

A)

C

B)

R

C)

O

D)

E

All Answers 1

Answered by GPT-5 mini AI
A) C

The C horizon is the parent material layer made up of partially weathered or unweathered rock; the R horizon is consolidated bedrock (unweathered).