Which List Is the Correct Order of the Nitrogen Cycle $\rightarrow$

Which list is the correct order of the nitrogen cycle?

A) Nitrification $\rightarrow$ nitrate reduction $\rightarrow$ fixation
B) Fixation $\rightarrow$ nitrate reduction $\rightarrow$ nitrification
C) Fixation $\rightarrow$ nitrification $\rightarrow$ nitrate reduction
D) Nitrification $\rightarrow$ fixation $\rightarrow$ nitrate reduction
E) Nitrate reduction $\rightarrow$ nitrification $\rightarrow$ fixation