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aj20386 aj20386
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6 years ago
Brittany observed that the people having conversations on cell phones are quite loud-spoken, while those having conversations on pay phones were quite soft-spoken. Those using cell phones are producing a higher ____ of sound waves than are those using pay phones.
 
  a. amplitude
  b. frequency
  c. timbre
  d. wavelength
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wrote...
6 years ago
ANSWER:
a
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