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Sound waves require a medium to travel through, such as a solid, liquid or gas because A) waves cannot move through a vacuum. B) sound only works within certain pressures. C) waves only work within certain
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Sound waves require a medium to travel through, such as a solid, liquid or gas because

A) waves cannot move through a vacuum.
B) sound only works within certain pressures.
C) waves only work within certain temperatures.
D) sound is molecules bumping into one another.

User Jarwin
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The answer is D, Sound is molecules bumping into one another.

User Berkayk
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D, sound molecules bumping into one another for sure because i just put it in and it was right.
User MonteCarloSims
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