Multiple Choice
A shield is ____________.
A) a low-lying region where rocks older than approximately 1 billion years age crop out
B) a low-lying region where Precambrian rocks are covered by Phanerozoic sedimentary strata
C) a region located behind a volcanic arc at a convergent continental margin
D) synonymous with "craton"
Correct Answer:

Verified
Correct Answer:
Verified
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