A. 20 dB
B. 60 dB
C. 100 dB
D. 160 dB
Right Answer: 100 dB
February 19, 2018 Asghar Khan Everyday Science
Total 0 Votes:
0
0
A. 20 dB
B. 60 dB
C. 100 dB
D. 160 dB
Right Answer: 100 dB
