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Answers NC-Physical Science Wave InteractionsQuestion 2

2

QuizMultiple Choice

Wave Interactions

Question 2 of 5 • NC-Physical Science

A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth’s surface.What has the sound wave most likely encountered?

Answer

A

a different kind of rock

B

an underground lake

C

an open cavity

D

a pile of dinosaur bones

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Wave Interactions - Question 2 | NC-Physical Science | Revolt