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Question
Biology
Sound above what level is considered hazardous noise pollution?
Q. Sound above what level is considered hazardous noise pollution?
2083
187
Environmental Issues
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A
Above 80 dB
57%
B
Above 120 dB
17%
C
Above 150 dB
20%
D
Below 30 dB
7%
Solution:
Unwanted sound is called noise. Above
80
decibel
(
d
B
)
, sound is considered hazardous noise pollution. Above
150
d
B
, sound causes damage to hearing which may be traumatic. Above
120
d
B
, sound causes irreversible damage.