Which of the following is a source of noise pollution?

Correct option is C

The correct answer is (c) Industrial machinery
Explanation:
· Factories, construction equipment, diesel generators, and heavy machines produce loud sounds, contributing to noise pollution.
Information Booster:
Major sources of noise pollution:
· Traffic noise (vehicles, horns)
· Construction activities
· Loudspeakers
· Aircraft noise
· Household appliances (mixers, grinders, vacuum cleaners)