The Humber Zone (Valley and Ridge Province in USA)of the Appalachian

Multiple Choice

The Humber Zone (Valley and Ridge Province in USA) of the Appalachian Mountains is characterized by ________.

A) sedimentary strata folded in late Paleozoic time
B) deeply eroded, late Paleozoic, fault-block mountains and valleys
C) composite volcanoes above a volcanic arc
D) crustal stretching as Africa and Eurasia migrated away from North America