Essay on Noise pollution (200 words) Noise is defined as unwanted, unpleasant, obnoxious sound that causes annoyance .A particular sound may be music to someone, but a noise to another. If the sound is loud and it perpetuates for a protracted period of time, it becomes noise. The interference level of 60 decibels is contemplated as a normal noise, however, noise level of 80 dB or above grows.
Essay on Pollution: Introduction: Pollution has become a very common yet serious issue in today’s world. It has been there for a long time even before human evolution such as volcanic eruption, wildfire which lead to various photochemical reactions in the atmosphere. The current concern is that it is rising day by day due to various resources of pollutants. And, one of the pollutants is.