Question

Tick(√) the correct answer.
1.A gas that causes air pollution is
(i) methane (ii) oxygen
(iii) hydrogen (iv)all of them
2.Which of these is a source of air pollution?
(i) Dumping garbage on the land
(ii) Smoke from factories
(iii) Dumping garbage in water bodies
(iv)All of them
3.A disease caused by drinking unclean water is
(i) typhoid (ii) polio (iii) heart attack (iv) all of them
4.Say 'No' to
(i) Paper (ii) water (iii) plastic (iv) all of them




plese answer these questions plese. ​

Answer 1

Explanation:

1. The gases that cause the most air pollution are Nitrogen oxide (NOx), Volatile Organic Compounds (VOC), Carbon dioxide (CO2), Sulphur oxide (SOx), dioxines and furans, etc.

4. Plastic

Answer 2

Answer:

1.(I) methane

2.(II) smoke from factories

3.(I) typhoid

4.(iii) plastic

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