1.

Humans can hear in the range of ______ to _______Hertz (Hz).?

A. 10 Hz to 10,000 Hz.
B. 20 Hz to 20,000 Hz.
C. 30 Hz to 30,000 Hz.
D. 40 Hz to 40,000 Hz.
Answer» C. 30 Hz to 30,000 Hz.


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