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

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Nitrogen fixation is the process by which atmospheric nitrogen is converted into a usable form by organisms, such as bacteria. In choice C, atmospheric nitrogen (N2) is converted into two molecules of nitric oxide (NO), which is a usable form of nitrogen for organisms. None of the other choices involve the conversion of atmospheric nitrogen into a usable form.

Which of These Reactions Is an Example of Nitrogen Fixation →\rarr→

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