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_____ are regions of high air pressure, and _______ are regions of low air pressure in a sound wave a. Troughs, crests b. Compressions, rarefactions c. Refractions, reflections d. None of the above
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_____ are regions of high air pressure, and _______ are regions of low air pressure in a sound wave

a. Troughs, crests
b. Compressions, rarefactions
c. Refractions, reflections
d. None of the above

User Liteye
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6.3k points

1 Answer

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Compressions and Rarefactions
User David Brossard
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