The spreading of sound waves around openings in barriers is called A. refraction. B. an echo. C. diffraction. D. reverberation
The spreading of sound waves around openings in barriers is called DIFFRACTION.
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yumdrea|Points 8338|
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Updated 6/3/2014 2:37:25 PM
Confirmed by yumdrea [6/3/2014 2:37:25 PM]
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