Match the following options:

A. Carbon dioxide	(i) Smoke and fog
B. Sulphur dioxide and Nitrogen dioxide	(ii) Global warming
C. Smog	(iii) Acid rain
D. Marble cancer	(iv) Contamination of water
E. Cholera	(v) Corrosion of marble

Explain the differences between pure air and polluted air.

Explain circumstances leading to acid rain. How does acid rain affect us?

Which of the following is not a greenhouse gas?

Describe the ‘Green House Effect’ in your own words.

Prepare a brief speech on global warming. You have to deliver the speech in your class.

Describe the threat to the beauty of the Taj Mahal.

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

What are the main causes of smoke?

Which problem arises by air pollution?

What is pollution?