Question

Answer the following in details:

1. List the conditions that affect the formation of a solution.

2. Describe how industrial waste causes water pollution.

3. List any five points to describe the importance of the atmosphere

4. i) What is meant by water pollution? briefly explain.

ii) Write the steps to control water pollution.

5. “To show that air contains carbon dioxide” briefly explain the experiment with the help of diagram.

6. i) What is the percentage of nitrogen in the atmosphere?

ii) Write the importance & uses of nitrogen.

7. What is mean by eutrophication? Explain briefly.

don't write faltu answer​

Answer 1

Answer:

2-The chemicals and the waste products coming from factory. The dumping of plastic bags, water of sewage.

3- The five points