Question

How is noise pollution generally caused?
ध्वनि प्रदूषण के सामान्य कारण क्या हैं?

Answer 1

Causes of noise pollution :-

Noise pollution is caused by the high intensity of sound produced by machines in various industries, mills and factories. Engineering companies , printing presses , metal works immensely generate noise pollution.

Hope it is helpful to you:-D