Compare and contrast the P-wave travel time and S-wave travel time.

P waves are recorded earlier than S waves, because they travel at a higher velocity. SF Table 7.1 shows that P waves have a higher velocity than S waves when traveling through several mineral types. The speed at which seismic waves travel depends on the properties of the material that they are passing through.

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a≈452.39cm²

explanation:

c. 2,000 bce

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