Multiple Choice
Earth's internal layers were discovered by studying the propagation of P- and S- waves through Earth's interior. In comparison to S-waves, the movement of P-waves is
A) fast, compressing and expanding the rock as they move through it.
B) fast, vibrating the rock particles up and down and side-to-side.
C) slower and can travel through solid granite, magma, water or air;
D) slower and can travel only through solids, not liquids.
Correct Answer:
Verified
Correct Answer:
Verified
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