DYD B-11
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Do you have any exams coming up? http://fittor.fun fina fittor  Thorne Lay is a professor of Earth and planetary sciences at the University of California. He said, "It's a mystery how these earthquakes happen. How can rock slide against rock so fast while squeezed by the pressure from 610 kilometers of overlying rock?"
Caleb 2019-06-01 00:10:39

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