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3. What is the main source of water?
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4. Can we collect rainwater?
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5. Do you save water?
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6. How can you store rainwater? Give two examples!
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D. Short Answer Questions.
1. What is a river?
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2. What is an ocean?
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3. Why are dams and canals built?
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4. How can you save water?
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5. Why do we collect rainwater? Write any two uses of water.
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6. How can we save water? Write any two ideas to save water.
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