The three steps of the nitrogen cycle in order, starting with nitrogen gas in the atmosphere, are:
A. nitrogen fixation, denitrification, and nitrification.
B. nitrogen fixation, nitrification, and denitrification.
C. nitrification, nitrogen fixation, and denitrification.
D. denitrification, nitrification, and nitrogen fixation.
1 answer
B. nitrogen fixation, nitrification, and denitrification.