2.Name two methods of drawing out groundwater. 3.Name two activities which lead to the formation of s esewwaaggee. .

4.State any two precautions that can help avoid the choking of drains.

5.Fill in the blanks:

a. Waste water is called.

b. About of water is present in oceans and seas.

6.a. Discuss any two causes that lead to a decrease in ground water ..table.

b. Show distribution of water on the surface of the earth.

7.a. Suggest three ways of saving water at home.

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