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Continental Crust Extends Farther Down into the Mantle Than Oceanic

Question 172

Multiple Choice

Continental crust extends farther down into the mantle than oceanic crust because


A) it is thicker than oceanic crust.
B) oceanic crust is buoyant and rides atop the mantle.
C) it is heavier than oceanic crust.
D) it sinks into the mantle and asthenosphere.

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