14. If a sound is very loud, what must be true?
a. The frequency of a sound wave is very high.
b. The amplitude of the sound wave is very low.
c. The intensity of vibration from the sound wave is very low.
d. The intensity of vibration from the sound wave is very high.
Answers & Comments
Answer:
B. The amplitude of the sound wave is very low
Explanation:
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Answer from:Britanica.com