Question

Write true or false.
1. Ozone layer is the protective layer surrounding the earth.
2. Air dissolved in water contains 30% to 35 % of oxygen.
3. CNG is one of the non-polluting fuels.
1. Oxygen is non-combustible gas.
1. Respiration involves oxidation of carbon and hydrogen molecules.
Water vapour in air causes moisture.
Air is used for the pollination of flowering plants.
Afforestation is one of the measures to prevent air pollution.​

Answer 1

1. True

2. False

3. True

4. False

5. False

6. True

7. True

8. True