試題詳解

30. Which of the following is an example of nitrogen fixation?
(A) Absorption of NH₃ and its transformation into to N₂.
(B) Absorption of NH₃ and its transformation into to NO₂.
(C) Absorption of N₂ and its transformation into elemental nitrogen.
(D) Absorption of N₂ and its transformation into NH₃.
(E) Absorption of nitric acid and its transformation into N₂.