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The process in which nitrogen is converted into a usable form for life is called _______. a. nitrogen fixation b. photosynthesis c. greenhouse effect d. photolysis

Heather Maxwell

in Chemistry

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1 answer

Annie Barnes on March 16, 2018

The answer is (a) - nitrogen fixationNitrogen is an important element for living organisms. Free-living or symbiotic bacteria help to convert atmospheric nitrogen (atmospheric N is N₂) in the form usable by living organisms in the natural way. This is called nitrogen fixation. Examples of some of these are Rhizobium, Azotobacter and some of the Cyanobacteria.

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