Water conservation

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Across
  1. 1. Method by which leftover water after washing clothes are used for plants
  2. 3. Where did your ancestors a collected drinking water from?
  3. 4. What is the importance of March 22 in the World?
  4. 5. Where did your grandparents collected drinking water from?
  5. 6. Where do your parents collect drinking water from?
Down
  1. 1. How can we recycle Rainwater?
  2. 2. In present world how do people collect drinking water?