A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dB
Submitted by: Malik Asghar Hussain
Correct Answer: 45 dB ✔
Last Updated: July 08, 2021
A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dB
Submitted by: Malik Asghar Hussain
Correct Answer: 45 dB ✔
Last Updated: July 08, 2021