Which of these reactions is an example of nitrogen fixation? A)2N₂O → 2N₂ + O₂ B)NH₃ + H₂O → NH₄⁺ + OH^- C)N₂ + O₂ → 2NO D)2NO₂ + H₂O → HNO₂ + HNO₃ E)2NO + O₂ → 2NO₂

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Nitrogen fixation is the process by which atmospheric nitrogen (N2) is converted into ammonium (NH4+) or nitrate (NO3-) by certain microorganisms, such as bacteria. Choice C shows the conversion of atmospheric nitrogen into nitric oxide (NO) through a chemical reaction.

Which of These Reactions Is an Example of Nitrogen Fixation