Physics, asked by Frank1128, 5 months ago

4. Sustained sound level above this causes sound pollution-
(a) 20 dB
(b) 40 dB
(C) 60 dB
(d) 80 dB

Answers

Answered by Anonymous

4

Answer:

d) 80 dB

Explaination:

If the sound is above 80dB, then it is no longer sound it is noise which causes noise pollution.

Answered by kumarvelpula18

0

Answer:

80 db

Explanation:

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