Answers

The Brainliest Answer!
2015-09-12T06:42:25+05:30
Unwanted or unpleasant sound is known as noise pollution
1 5 1
2015-09-12T07:11:43+05:30
NOISE POLLUTION means the unwanted sound. which effect human as well as wildlife. this sound is produced by VEHICLES, PLANES, TRUCK etc. it is a massive issue for humans which needs a great attention. 
1 5 1