Study the given biogeochemical cycle and identify the steps I and ii

Options

A. `{:("(i)","(ii)"),("Ammonification","Denitrification"):}`
B. `{:("(i)","(ii)"),("Dentirification","Ammonification"):}`
C. `{:("(i)","(ii)"),("Nitrification","Ammounification"):}`
D. `{:("(i)","(ii)"),("Ammonification","Nitrification"):}`

Answer

A