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RE: Why can we hear in the frequency range 20 Hz to 20 KHz only

in #health • 7 years ago

Thanks for the lesson, and for reminding me the term I forgot for sub-audible sound, infrasonic. 99.99% UPVOTED! Have a great day!

7 years ago in #health by
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     7 years ago 

    Thanks for your vote.

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