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Refraction of sound waves often takes place when (Points : 3)      A. there are temperature differences in air       B.there are walls around a room to bounce back sound   C.    sound wave frequencies are increased     D.  complete sound waves slow down
Refraction of sound waves often takes place when there are temperature differences in air.
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Asked 2/16/2012 1:45:01 PM
Updated 9/28/2016 1:19:20 PM
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Refraction of sound waves often takes place when there are temperature differences in air.
Added 9/28/2016 1:19:20 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [9/28/2016 4:30:59 PM]
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