Glacially deposited strata were important in the development of continental drift theory because ____.
A)the distribution of glacial deposits indicated that the entire Earth must have been glaciated at one time
B)the distribution of coal-swamp deposits indicated that the entire Earth must have been very warm while glaciers formed
C)they indicated that large glaciers affect the rate of continental drift
D)the glacial deposits indicated that all of the southern continents must have been closer to the South Pole and contiguous
E)they showed how glacier formation remained constant even when continents drifted

Question

Quizplus · Accepted Answer

Glacially deposited strata indicate that glaciers existed in areas that are now warm and tropical, suggesting that the continents must have drifted significantly. The distribution of glacial deposits on multiple southern continents also suggests that they were once joined and in close proximity to the South Pole.

Glacially Deposited Strata Were Important in the Development of Continental