The velocities of P- and S-waves depend on the density and elasticity of the rocks through which they travel.
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Q1: Our knowledge of Earth's interior is based
Q3: All else being equal, wave velocities decrease
Q4: P-wave rays are most commonly reflected while
Q5: The S-wave shadow zone is evidence that
Q6: The mantle's density is uniform with depth
Q7: Seismic tomography uses seismic waves to get
Q8: The mantle is more dense than the
Q9: With increasing depth and pressure pyroxene changes
Q10: A low velocity zone in the mantle
Q11: Increasing pressure with depth causes P-wave velocities
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