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

Respuesta :

ciarasimon ciarasimon

11-10-2017

Compressions and Rarefactions

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