Question

of water pollution? 5. Give two methods by which you can make water potable a 6. What is the function of a catalytic converter? r. What are the causes and effects of eutrophication? 8. What is acid rain? How it is caused? How can we conserve air? F. Long answer questions: 1. Describe the threat to the beauty of the Taj Mahal. 2. How does the use of excess of fertilizers and pesticides 3. How is water treated at the waterworks to make it potab 4. Give the effects of following pollutants: (a) Nitrogen dioxide​

Answer 1

Boiling and filtration can make water potable.

Catalytic converter change harmful substances in a car's exhaust gases, such as carbon monoxide, nitric oxide, nitrogen dioxide and hydrocarbons, into less harmful substances like carbon dioxide and water vapour.