Multiple Choice
Why are the travel-time curves for the P-wave and S-wave arrivals curved and not straight lines?
A) The greater the distance, the deeper the P and S waves travel, refracting through progressively denser layers.
B) During an earthquake, Earth shakes so much that it is like a quivering rubber ball and all of the distances are wrong.
C) They should be straight lines.Earth is flat and the time-travel graph proves it!
D) They have to bend with the curvature of the Earth.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The _ is the point on the
Q3: Which of the following statements is true?<br>A)Tsunamis
Q4: Carefully study the seismogram below and note
Q4: An earthquake of magnitude 7.5 releases about
Q5: The _ transmits P waves but not
Q6: The _ earthquake was accompanied by extensive
Q7: Because their energy dissipates rapidly in deep
Q8: What happens inside a rock as a
Q9: _ have no rigidity or shear strength
Q11: How many seismic stations are needed to