As a glacier advances over a fractured bedrock surface, it loosens, lifts, and incorporates blocks of rock in a process called ________.
A)frost wedging
B)hydraulic lifting
C)plucking
D)striation

Question

Quizplus · Accepted Answer

Plucking is the process of a glacier lifting and removing large blocks of rock from the underlying bedrock surface. This occurs due to the freezing of meltwater within crevasses and fractures of the rock, and the subsequent pulling and lifting of the blocks as the glacier flows over them. The other answer choices are not applicable to this process.

As a Glacier Advances Over a Fractured Bedrock Surface, It