Which of the following is true of glacial movement?
A) The rate of surface motion is usually identical to the basal slip rate.
B) The internal flow just below the surface is greater than the basal flow.
C) All glaciers move just a few centimeters per year.
D) The basal ice layer does not move downslope.

Question

Quizplus · Accepted Answer

The internal flow just below the surface of a glacier is typically faster than the basal flow due to ice deformation. The rate of surface motion may differ from the basal slip rate depending on factors such as surface slope and variations in ice thickness. Option C is incorrect as glaciers can move at different rates depending on their size and other factors. Option D is incorrect as basal ice layers do move downslope.

Which of the Following Is True of Glacial Movement