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b) well

c) Persian wheel

d) canals

5. A _____________________ is a water well which has tube.

a) tube well

b) canal

c) well

d) Persian wheel

Subjective Questions:

A.Observe the picture and answer:

1. Name the above source of water.

2. How does it work?
3. What are its uses?

B Answer the following:

1. Suggest two ways to save water.

2. Write four uses of dams.