Q.

Prolonged exposure to noise louder than ____ dB can lead to permanent hearing damage.


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Detailed Solution

Prolonged exposure to noise louder than 70 dB can lead to permanent hearing damage
Noise above 70 dB over a prolonged period of time may start to damage hearing. Loud noise above 120 dB can immediately harm the ears. The sound above 70 dB can contribute to noise pollution and noise pollution leads to many health problems such as anxiety, damage to hearing, and sleeping disorders.
 
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Prolonged exposure to noise louder than ____ dB can lead to permanent hearing damage.