A) Above\[80\,\,dB\]
B) Below\[60\,\,dB\]
C) Above\[130\,\,dB\]
D) Above\[140\,\,dB\]
Correct Answer: A
Solution :
Prolonged exporure to noise level above \[80\,\,dB\] gradually leads to permanent loss of hearing ability.
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