What is 4R principle? Give your opinion, how it will help in saving our environment ?
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Answered by
3
The 4 R's are Reduce, Reuse, Recycle and Recover ....
nihir1:
did u copy it from some where
which answer ,please remind me the question first
yes i get it and no i knew that since 1year ,it was in science
Answered by
5
4R principals are namely reduce, reuse,recycle and recover .these provide a very helpful and eco friendly approach to the common people in order to save environment
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