Which of the Following Is a Form of Nitrogen Fixation

question 53

Multiple Choice

Which of the following is a form of nitrogen fixation?

• A) N₂ + O₂ + energy(lightning) → 2 NO
• B) N₂ + 3 H₂ → 2 NH₃
• C) N₂ + bacteria → nitrates
• D) All are forms of nitrogen fixation.

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