Answer :
Final answer:
The lowest frequency that humans can hear is approximately 20 Hz.
Explanation:
The lowest frequency that humans can hear is approximately 20 Hz. This falls within the range of frequencies known as the audible range, which is generally considered to be between 20 Hz and 20,000 Hz. Frequencies below 20 Hz are known as infrasound and frequencies above 20,000 Hz are known as ultrasound.
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