Multiple Choice
What is true of reflection versus refraction?
A) Both may happen to a seismic wave as it encounters boundaries between materials of different physical properties.
B) Reflection sends a portion of the wave energy back away from the encountered boundary.
C) Refraction bends a portion of the wave energy as the wave either slows or speeds up as it crosses the encountered boundary.
D) All of these are true.
Correct Answer:

Verified
Correct Answer:
Verified
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