Expand
(i) CFC
(ii) AQI
(iii) PAN

What is SMOG and how it is harmful for us?

List all the wastes that you generate, at home, school or during your trips to other places. Could you very easily reduce the generation of these wastes? Which would be difficult or rather impossible to reduce?

Discuss the causes and effects of global warming. What measures need to be taken to control global warming?

What would Earth be like without the greenhouse effect?

Write notes on the following:
a. Eutrophication
b. Algal Bloom

What is Ozone?

Name the secondary pollutant in photochemical smog. Mention its adverse effect

How ozone hole is developed?

Define the term eutrophication.

List out the chemical methods of wastewater treatment.

Expand RZWT and DEWATS.

What does 4R stands for?

List any four adverse effect of noise.

Name the scientist who discovered ozone layer