Reactions carried out by N2 fixing microbes include
a. 
b. 
Which of the following statements about these equations is not true?
The statement D here is false since nitrogen fixing microbes aren’t photoautotrophs but chemoautotrophs.
They do not use sunlight to manufacture their food but instead oxidize inorganic substances and utilized the energy released. Moreover, these bacteria also aid in the conversion of ammonia to usable forms of nitrogen.
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