Small bedrock protrusions at the base of a glacier are often overrun by a process known as ________,which occurs because ________.
A)ablation ice melts when it is sufficiently compressed
B)ablation ice deforms when it is subjected to pressure
C)regelation ice melts when it is sufficiently compressed
D)regelation ice deforms when it is subjected to pressure
E)ice plucking ice deforms when it is sufficiently compressed

Question

Quizplus · Accepted Answer

Regelation is the process where ice melts under pressure and refreezes when the pressure is reduced. This allows glaciers to move over small bedrock protrusions.

Small Bedrock Protrusions at the Base of a Glacier Are