Multiple Choice
What does an S- wave do to the rock it passes through?
A) It alternately compresses and expands the rock (like the bellows of an accordion) along the direction of the advancing wave. This "preserves the rock's shape", while changing its density in a periodic fashion.
B) It lifts it up and down in a wavelike motion (perpendicular to the advancing wave front) , distorting the rock's shape while holding its volume (and density) constant.
C) It causes the rock to move in little vertical circles as the wave advances.
D) It causes the rock to wiggle from side to side as the wave advances.
Correct Answer:
Verified
Correct Answer:
Verified
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