The level at which the prolonged exposure of noise can cause deafness
Q. The level at which the prolonged exposure of noise can cause deafness
A. 20 dB
B. 85 dB
C. 10 dB
D. 35 dB
Answer: 85 dB
A. 20 dB
B. 85 dB
C. 10 dB
D. 35 dB
Answer: 85 dB