The Western Canada Foreland Basin and the Appalachian Foreland Basin both formed ________.
A)by passive marginal subsidence in the Early Precambrian
B)from broad regions of down-flowing cool mantle
C)in Paleozoic time from the break up of Pangaea
D)in response to crustal thickening and mountain building from terrane accretion

Question

Quizplus · Accepted Answer

The Western Canada Foreland Basin and the Appalachian Foreland Basin both formed in response to crustal thickening and mountain building from terrane accretion during the Paleozoic era.