Pollution
Contamination of soil water or the atmosphere by the discharge of harmful substances undesirable change in the air water and land is called polluction.
Different kinds of polluction.
Air Pollution
Air supplies us with oxygen which is essential for our bodies to live .air is made up of 99.9% nitrogen oxygen water vapours and gases .air pollection is caused by the release of gases such as sulfur dioxide carbonmonooxide nitrogen oxide and chemical vapours produced by industory & motor vehicales.
Contamination of soil water or the atmosphere by the discharge of harmful substances undesirable change in the air water and land is called polluction.
Different kinds of polluction.
Air Pollution
Air supplies us with oxygen which is essential for our bodies to live .air is made up of 99.9% nitrogen oxygen water vapours and gases .air pollection is caused by the release of gases such as sulfur dioxide carbonmonooxide nitrogen oxide and chemical vapours produced by industory & motor vehicales.
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