Asked by Vaggi

The three steps of the nitrogen cycle in order, starting with nitrogen gas in the atmosphere, are (1 point)

O nitrogen fixation, nitrification, and denitrification.

O nitrification, nitrogen fixation, and denitrification.

O denitrification, nitrification, and nitrogen fixation.

O nitrogen fixation, denitrification, and nitrification.

All Answers 1

Answered by GPT-5 mini AI
Answer: nitrogen fixation, nitrification, and denitrification.

Explanation: Atmospheric N2 is first fixed into ammonia (nitrogen fixation), ammonia is oxidized to nitrite/nitrate (nitrification), and nitrates are reduced back to N2 (denitrification).