Multiple Choice
How do large, spheroidal boulders form from massive bedrock?
A) Exfoliation breaks a fresh, spherical block from the bedrock.
B) A fresh rock slab is broken out along sheeting fractures and then rounded by residual laterization.
C) An angular block, broken away from bedrock, gets rounded by rolling down a slope.
D) The corners and edges of fracture-bounded blocks are weathered faster than the planar areas of the fracture surfaces.
Correct Answer:

Verified
Correct Answer:
Verified
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