Nitrogen cycle
From Environmental Technology
Revision as of 00:56, 7 March 2006 by Jalcst-2391 (Talk | contribs)
The worldwide circulation of nitrogen from the abiotic envirnoment into organisms and back into the abiotic environment.
Reference
- Raven,P.H.,and L.R.Berg,Environment 5th ed.John Wiley&Sons,Inc,2006
