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Category : Science » Physics | Posted by : penny | Posted on : 10/21/2009 | Updated on : 10/21/2009
Keywords : made, made, sound
How sound is made?
How sound is made?

Answers
Sounds are made when object vibrate.
What we think of as 'sound' is how our ears measure tiny, rapid fluctuations in air pressure. These may be caused by vibrating objects or anything else which causes the air around it to be compressed and expanded rapidly
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