The Vibrations in the Primary (P)and Secondary (S)seismic Waves Caused

question 114

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.

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