zabrahamtwenty6 zabrahamtwenty6
  • 10-10-2017
  • Biology
contestada

_____ 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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ciarasimon
ciarasimon ciarasimon
  • 11-10-2017
Compressions and Rarefactions
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