Continental shields are areas of ____.
A) organic sedimentary rocks
B) pyroclastics
C) basalt
D) ancient igneous and metamorphic rocks
Correct Answer:
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Q8: Compared to oceanic crust, continental crust is
Q29: Coal is a _.
A)metamorphic rock
B)sedimentary rock
C)intrusive igneous
Q30: The theory of continental drift was first
Q31: Plate divergence is found along subduction zones.
Q32: When _ cools and solidifies, it becomes
Q33: A(n) _ exists where markedly mismatching strata
Q35: Metamorphic rocks can be metamorphosed.
Q36: The crust makes up approximately what percentage
Q37: In terms of geologic time, Earth is
Q38: Iceland lies along a spreading center.
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