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I give us 15 points....
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2 votes
I give us 15 points....

I give us 15 points....-example-1
User Deesolie
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6.3k points

2 Answers

2 votes
answer: a

particles in the air that propagate sound
User Vonlost
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7.5k points
5 votes

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 ! : )

User Joepio
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6.5k points
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