Answers

2015-06-08T20:58:38+05:30
Conservation of water means saving water water by taking some measures which can can help in conserving water


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2015-06-09T10:14:06+05:30
Conservation of water is conserving or saving water by many ways like doing rainwater harvesting.

The model can be made is Rain water harvesting Model. It must not be necessay that it is working.
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