Answers

2014-03-12T13:10:25+05:30
Water cycle is the cyclic resotration of water through evaporation , condensation, precipatation in the biosphere .Nitrogen cycle is usage of nitro in the air throug lightining and the same kind of cyclic process like nitrificatio ,denitrification ammonification etc
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2014-03-12T13:11:00+05:30
THE CHANGE OF WATER FROM ONE FORM TO ANOTHER IN NATURE,WHICH RESULTS IN CONTINUOUS CIRCULATION OF WATER FROM EARTH SURFACE TO THE ATMOSPHERE AND FROM ATMOSPHERE BACK TO EARTH SURFACE IS CALLED WATER CYCLE.
 
THE NITROGEN CYCLE IS THE PROCESS BY WHICH NITROGEN IS CONVERTED BETWEEN ITS VARIOUS CHEMICAL FORM.
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