Biology, 13.02.2020 03:24 luje

Dr. Chang is studying seismic waves. He notices that seismic waves (a type known as P-waves) travel faster through the mantle than through the outer core. What can he conclude from this observation? A. The inner core is wider than the mantle. B. The mantle is wider than the inner core. C. The outer core is not as dense as the mantle. D. The mantle is not as dense as the outer core.

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Dr. Chang is studying seismic waves. He notices that seismic waves (a type known as P-waves) travel...

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