Theories of the evolution of glaciers include,as possible causes,all of the following EXCEPT
A)periods of excessive dust in the atmosphere.
B)changes in the shape,the tilt,and the seasonal positions of the earth's orbit around the sun.
C)the drifting of continental plates over tropical regions.
D)the periodic changes in the amount of solar energy received on the earth's surface.

Question

Quizplus · Accepted Answer

The drifting of continental plates over tropical regions is not a theory for the evolution of glaciers. The other options are all possible causes, including excessive dust in the atmosphere, changes in the earth's orbit around the sun, and periodic changes in solar energy received on the earth's surface.

Theories of the Evolution of Glaciers Include,as Possible Causes,all of the Following