sserenee sserenee

20-09-2017
Chemistry

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Which of the following statements is true? A. Sound waves are the only waves that reflect. B. An echo is a sound wave reflection. C. In reflection, all of the initial energy of the sound wave bounces back. D. Reflection is when a sound wave bends around an obstacle.

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acsalazarmandy acsalazarmandy

20-09-2017

B. An echo is a sound wave reflection

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