Causes : 0.5 Mark each
i. Carbon monoxide -
a. Causes heart diseases
b. Reduces oxygen supply to organs
ii. Sulphur dioxide :
a. Contributes to formation of acid rain
b. Causes visual impairments
iii. Nitrogen oxides
a. Contributes to formation of acid rain
b. It is a respiratory irritant
iv. Ground-level ozone :
a. Causes asthma attacks, sore throat, etc.
b. Causes damage to plants and crops.
v. Particulate matter
a. Causes nervous and kidney problems
b. Increases chances of heart attack.