Continental crust that makes up mountains extends farther down into the mantle than oceanic crust because

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


Answer: C

Environmental & Atmospheric Sciences

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