Subduction explains the fact that the oldest oceanic crust is close to 200 million years old, compared to the oldest continental rocks that are ________.

A. 140 million years old
B. 1.4 billion years old
C. 4.4 million years old
D. 14.4 billion years old
E. 4.4 billion years old


Answer: E

Environmental & Atmospheric Sciences

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