Q23 of 30 Page 1

Name any two industries that release particulate and gaseous air pollutants. Why are particulate matters of 2.5 micrometers or less in size considered very harmful for human health? Give two reasons.

Smokestacks of thermal power plants and smelters release particulate and gaseous air pollutants.

Particulate matter of 2.5 micrometers or less in size considered harmful for human health because-


i. They can be inhaled deep into the lungs and can cause breathing problems, irritation, inflammation and damage to lungs.


ii. Cause premature deaths due to respiratory problems.


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