26-04-2020
Biology

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I give us 15 points....

I give us 15 points class=

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kellyalcocer0 kellyalcocer0

26-04-2020

I believe the answer is A . Because in the air there are particles that propagate sound.

If i'm wrong, sorry and have a nice day ! : )

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26-04-2020

answer: a

particles in the air that propagate sound

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