A glacier is a large, slow-moving mass of ice typically found far away from the Earth's equator. However, scientists have found many rocks in Africa with scratches made by glaciers. What conclusion can be drawn from this evidence?
A.
Africa is currently home to several types of glaciers.
B.
Parts of Africa were once located farther away from the equator.
C.
Humans are responsible for moving the rocks with glacial scratches to Africa.
D.
Glaciers can scratch rocks long after the glaciers have melted.
E.
Glaciers only scratch rocks that are located near the equator.