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Which microrganism helps in fixing niteogen from air?​

Answer»

Azotobacter, BeijerinckiaExplanation:Two KINDS of nitrogen-fixing microorganisms are recognized: free-living (nonsymbiotic) bacteria, including the cyanobacteria (or blue-green ALGAE) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium; and mutualistic (symbiotic) bacteria such as Rhizobium, associated with leguminous plants,



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