Question

Sound waves are compression waves, as seen here. The areas of low pressure within a sound wave, area A for example, are called A) amplitudes. B) frequencies. C) rarefactions. D) troughs.

Answer 1

C) Rarefactions is the correct answer.

Sound waves have areas of high and low pressure. The areas of high pressure are called compressions and those of low pressure are called rarefactions.

I hope that helps!

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Answer 2

Answer:

c

Explanation: