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Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated ____________ molecules back and forth. A) the air B) his ear C) the table D) his finger
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Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated ____________ molecules back and forth.

A) the air
B) his ear
C) the table
D) his finger

User John Datserakis
by
6.6k points

2 Answers

4 votes
A. The air hope this helps you
User Mirzhan Irkegulov
by
6.0k points
6 votes
A. the air. All the other choices don't make sense.
User Abeln
by
6.1k points
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