What all are the sources of noise pollution?

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Household sources like the mixer, grinders, vacuum cleaner, etc.

Social event with the loudspeaker

Transportation noises, traffic jams

All the above

answer is D.

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Detailed Solution

Concept: Sound is pivotal for our diurnal lives, but noise isn't. Noise is generally pertained to as unwanted sound, or sound which causes discomfort to living organisms.
In malignancy of the fact that noise has lower damage to humans than air, land, and water pollution.
Noise pollution can be caused by numerous sources we will see one by one
1) General manage appliance
Electronic appliances like cooler and air conditioners, vacuum cleanser, mixer and grinder, washing machine and teetotaler , can be relatively noisy. Some other bias like speakers of Television's, Mobile phones, and woofers.
2) Social gatherings
Places like discos, parties, requests and stores, expositions, social events, and holy places for deification also produce noise pollution for those living near that area. We need to note that when these sources of noise pollution aren't frequent, they're known as Nuisance rather than noise pollution.
3) Artificial sources
Manufacturing diligence, Manufactures, and manufactures, construction spots also produce large quantities of noise pollution in metropolitan metropolises. Because of this numerous diligence makes it obligatory for workers to wear noise- evidence earplugs to reduce the effect of loud noise. People who operate tractors, lawnmowers, or any heavy construction ministry are also asked to use noise- evidence earplugs.
4) Transportation
Airplanes flying over places or living near busy airfields like Delhi and Mumbai, Trains, and metros, General vehicles on roads like bikes and buses also produce a lot of noise.
Hence, the correct option is 4.

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