Multiple Choice
The vibrations in the primary (P) and secondary (S) seismic waves caused by earthquakes are
A) along the direction of travel for both waves.
B) perpendicular to the direction of travel for P waves and along the direction of travel for S waves.
C) at right angles to the direction of travel for both waves.
D) perpendicular to the direction of travel for S waves and along the direction of travel for P waves.
Correct Answer:
Verified
Correct Answer:
Verified
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