Which of the following statements are applicable to the nitrogen cycle?
A. Nitrogen fixation converts atmospheric nitrogen into nitrogen consumable by humans.
B. Leaching allows nitrogen to move into the water supply.
C. Nitrogen in the air can be consumed by humans by inhaling the air.
D. Nitrifying and denitrifying algae play an important role in the nitrogen cycle.
B. Leaching allows nitrogen to move into the water supply.
D. Nitrifying and denitrifying algae play an important role in the nitrogen cycle.