Question

how is noise pollution created?

I want small answer. ​

Answer 1

Answer:

The source of outdoor noise worldwide is mainly caused by machines, transport, and propagation systems. Poor urban planning may give rise to noise pollution, side-by-side industrial and residential buildings can result in noise pollution in the residential areas. ... Noise is measured in Decibel (dB).

Answer 2

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the noise pollution created by using loudspeakers.

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