Match the following air pollutants with their major source.

(i) Carbon monoxide (ii) Carbon- dioxide (iii) Sulphur dioxide

(a) Coal burn (b) Fossil fuels (c) Automobiles

The correct option is C

(i)- c, (ii)- a, (iii)- b

Air is said to be polluted when there is any change in the required amounts of any of the components of air or when foreign substances mix with air. The table given below shows air pollutants and their major source:

$\begin{array}{cc}\text{Air Pollutant}& Source\\ \text{Carbon monoxide}& Automobiles\\ \text{Carbon dioxide}& Burningofcoal\\ \text{Sulphur dioxide}& Burningoffossilfuels\end{array}$