Air is contaminated by unwanted substances that have harmful effects on both living and non-living objects. This phenomenon is called _____.
Air pollution is the phenomenon in which air is contaminated by unwanted substances. These contaminants have harmful effects on both living and non-living things.
Examples: Air pollution is caused by CO (carbon monoxide), oxides of sulphur etc.
CO reduces the lung capacity in humans while oxides of sulphur causes respiratory problems in humans and causes damage to buildings.