The fact that ________ is good evidence for a solid inner core.

Name: The fact that ________ is good evidence for a solid inner core.
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Question

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P waves are faster in the inner core than in the outer core because the inner core is solid, while the outer core is liquid. The fact that P waves speed up when passing through the inner core gives evidence that it is solid. This suggests that the inner core is made of a dense and rigid material, likely iron and nickel alloy, while the outer core is mostly liquid metal.

The Fact That ________ Is Good Evidence for a Solid