Which is a source of noise pollution?

Noise pollution can come from outdoor sources, such as road traffic, jet planes, garbage trucks, construction equipment, manufacturing process- es, lawn mowers, leaf blowers, and indoor sources, including: boom boxes, heating and air conditioning units, and metal chairs scraping on floors. in a quiet environment.

road traffic, jet planes, garbage trucks, construction equipment, manufacturing process- es, lawn mowers, leaf blowers

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .