The human ear can recognize the sound frequency range of ( ).

Posted by: Pdfprep Category: H11-851-ENU Tags: , , Post Date: December 3, 2020

The human ear can recognize the sound frequency range of ( ).
A . 10~10 KHz
B . 20~20 KHz
C . 30~30 KHz
D . 90~40 KHz

Answer: B

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