Sound wave
The level of the sound intensity changes from one person to another .
by Heba Soffar · Published · Updated
The level of the sound intensity changes from one person to another .
by Heba Soffar · Published April 10, 2015 · Last modified July 2, 2021
by Heba Soffar · Published January 31, 2016 · Last modified October 21, 2019
by Heba Soffar · Published December 14, 2018 · Last modified February 5, 2020
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