Question
Define water pollution and noise pollution.
✓
Answer
Water pollution : It refers to the contamination of water bodies such as lakes, rivers, oceans and groundwater with undesirable harmful material caused by human activities. It can be harmful to plants and animals which live there.
Noise pollution : The unwanted sounds in the environment which can be annoying, distracting or harmful is called noise pollution. Its also called sound pollution. It is caused by vehicles, aircrafts, industries etc.
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