When an object vibrate. It causes movement in surrounding air molecules . These molecules bump into the molecules close to them , causing them to vibrate as well . This make bump into more nearby air molecules . This "chain reaction"
movement , called sound waves , keep going until the molecules run out of energy .
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Answer:
When an object vibrate. It causes movement in surrounding air molecules . These molecules bump into the molecules close to them , causing them to vibrate as well . This make bump into more nearby air molecules . This "chain reaction"
movement , called sound waves , keep going until the molecules run out of energy .
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