Multiple Choice
Which of the following can occur when seismic waves encounter a layer in Earth's interior?
A) They can be reflected or refracted.
B) They can be absorbed.
C) Their speed can change.
D) All of the above can occur, depending upon the nature of the layer.
E) None of the above-seismic waves cannot penetrate below the crust of Earth.
Correct Answer:

Verified
Correct Answer:
Verified
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