Multiple Choice
Glaciers move because
A) the weight of snow causes compaction at the base and the formation of ice,which becomes plastic-like.
B) the gravitational pull on steep slopes causes avalanches that dislodge the snow accumulations.
C) the rotation of the earth holds the snowfields back,thereby forcing them to move.
D) tectonic forces from within the earth dislodge loose materials,such as great slabs of snow and ice.
Correct Answer:
Verified
Correct Answer:
Verified
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