Sound at a frequency of 200 Hz:
A. is above the frequency within which humans can hear
B. is within the range of human hearing
C. is in the ultrasound spectrum
D. is below the frequency within which humans can hear
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Sound at a frequency of 200 Hz:
A. is above the frequency within which humans can hear
B. is within the range of human hearing
C. is in the ultrasound spectrum
D. is below the frequency within which humans can hear
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