The elevations of continents and oceans vary from each other because
A) oceanic crust is thinner and denser than continental crust.
B) oceanic crust is thinner and less dense than continental crust.
C) oceanic crust is thicker and denser than continental crust.
D) oceanic crust is thicker and less dense than continental crust.
Answer: A
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Fill in the blank(s) with correct word