Answer :
Presence of excessive or unwanted sounds in the environment is called noise pollution.
The three sources of noise pollution in our locality are:
⇒ High volumes of televisions and transistors.
⇒ Bursting of crackers.
⇒ Loudspeakers in parties.
⇒ Horns pf vehicles.
⇒ Generators without silencers.
⇒ Bikes without silencers. (Any three)
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