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The denser areas in a sound wave are called
O
A. rarefactions
B. crests
OC. compressions
D. troughs
13

Sagot :

Final answer:

Compressions and rarefactions are the key components of a sound wave, with compressions being denser areas and rarefactions being less dense regions.


Explanation:

Compressions are the denser areas in a sound wave where the medium is compressed, while rarefactions are the less dense regions where the medium is spread out. In a longitudinal sound wave, compressions are analogous to crests in a transverse wave, and rarefactions are analogous to troughs.


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