Answers

2015-12-08T21:25:27+05:30
CNG ( compressed natural gas)! we should use it instead of petrol and diesal and moreover cycles are also beneficial.
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2015-12-13T08:03:43+05:30
The products which do not harm our environment is known as eco friendly products FOR eg:- 1 CNG 2 paper bags 3 solar candles
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