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Physics 15 Online
OpenStudy (anonymous):

Sound waves in air are a series of A. periodic disturbances. B. periodic condensations and rarefactions. C. high- and low-pressure regions. D. all of the above E. none of the above

OpenStudy (anonymous):

@Bella♥ ... Can you help me with this? Lol.

OpenStudy (anonymous):

Sure XD

OpenStudy (anonymous):

yay thanks ma

OpenStudy (anonymous):

I would put a high and low pressure regions! I hope this helps you! If you need anything else just let me know okay XD!

OpenStudy (anonymous):

That's what I assumed to be correct as well, lol thank you.

OpenStudy (anonymous):

Anytime C: Happy to help!

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