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Anna007 [38]
3 years ago
8

Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated ____________ molecules back a

nd forth.
A) the air
B) his ear
C) the table
D) his finger
Geography
2 answers:
irga5000 [103]3 years ago
6 0
A. The air hope this helps you
Ivan3 years ago
3 0
A. the air. All the other choices don't make sense.
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