During the past ice age,landmasses were generally
A)pressed down into the asthenosphere by the load of ice.
B)elevated,because ice is lighter than rock.
C)unaffected by the climatic conditions of the time.
D)more exposed to the atmosphere.
E)frozen in time.

Question

Quizplus · Accepted Answer

The weight of the ice sheets during the ice age caused the landmasses to be pressed down into the asthenosphere, which is a layer of partially melted rock in the Earth's upper mantle. This is known as glacial isostatic adjustment, where the Earth's crust responds to the changing weight distribution caused by the growth and retreat of the ice sheets.

During the Past Ice Age,landmasses Were Generally