Question

Sound above what level (in decibels) is considered hazardous noise pollution ?; 1) 30 dB; 2) 40 dB; 3) 60 dB; 4) 80 dB

Answer 1

The answer is 4th option. Because it causes headaches and it's painful too. It can harm your eardrum.

Hope you like the answer.

Please mark me brainliest

Answer 2

( 1 ) 30 dB is correct