Plants Convert Nitrogen into Ammonia $\rightarrow$ H (G) + NH (Aq)
What Is the by Enzymes

Multiple Choice

Plants convert nitrogen into ammonia.This biological nitrogen fixation is affected by enzymes called nitrogenases.The enzymes assist in the transfer of electrons.The unbalanced reaction equation is
N (g) + H⁺aq) +e^- $\rightarrow$ H (g) + NH (aq)
What is the change in the oxidation number of nitrogen in this reaction?

A) (+1)
B) (-3)
C) (+3)
D) (+2)
E) (-1)