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Physics 20 Online
OpenStudy (anonymous):

Sounds of frequencies below 20 Hz are called a. fundamentals b. overtones c. ultrasonic sounds d. infrasonic sounds

OpenStudy (anonymous):

d. infrasonic sounds

OpenStudy (anonymous):

Literally just type "Sounds of frequencies below 20 Hz are called" into Google.

OpenStudy (anonymous):

how do i give medals

OpenStudy (anonymous):

click th ebest answer option

OpenStudy (anonymous):

ooooooh thats it

OpenStudy (anonymous):

infrasonic sounds

OpenStudy (anonymous):

infrasonics..

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