Why happen to the seismic waves as they reach the boundaries of rock type?
A. it refracted
B.It refelected
C.It reflected and refacted
D.it depletes
A. it refracted
B.It refelected
C.It reflected and refacted
D.it depletes
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Answer:
When waves reach a boundary between different rock types, part of the energy is transmitted across the boundary. ... The overall increase in seismic wave speed with depth into Earth produces an upward curvature to rays that pass through the mantle.
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