A source emitting 80 dB and another emitting 60 dB if put in the same location will produce a noise of

A source emitting 80 dB and another emitting 60 dB if put in the same

1.	A source emitting 80 dB and another emitting 60 dB if put in the same location will produce a noise of
A.	140 dB
B.	80 dB
C.	20 dB
D.	60 dB
Answer» C. 20 dB