0 votes 0 votes The sound pressure (expressed in $\mu P a$) of the faintest sound that a normal healthy individual can hear is $0.2$ $2$ $20$ $55$ Noise Pollution gate2016-ce-2 environmental-engineering noise-pollution impacts-of-noise + – Milicevic3306 asked Mar 27, 2018 • recategorized May 27, 2021 by Chandanachandu Milicevic3306 11.9k points answer See all 0 reply