Natural Air Pollutants

Q.

Which of the following is/are responsible for air pollution?

1. Volcanic eruption
2. Factories
3. Marine oil spills
4. Playing loud music

Q.

Which of the following air pollutants reduces the oxygen-carrying capacity of blood?

1. Carbon monoxide

2. Sulphur dioxide

3. Nitrogen dioxide

4. Carbon dioxide

Q. Write just a few sentences for an imaginary situation if carbon dioxide gas disappears from the atmosphere. [2 marks]