Answers

2016-03-21T22:48:58+05:30
Hamein paani ko pradushit nahinkarna chahiye..(1)...paani istemalll nahin karne samay nal ko band karna chahiye(2)..factories ki gandagi ko nadi mein bahana rokna chahiye...(3)...sarkar paani k pradushan k khilaf rukavat dalna chahiye...
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