Asked by Damianah Locher

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

A) Nitrogen fixation, denitrification, and nitrification.

B) Denitrification, nitrification, and nitrogen fixation.

C) Nitrification, nitrogen fixation, and denitrification.

D) Nitrogen fixation, nitrification, and denitrification.

All Answers 1

Answered by GPT-5 mini AI
D) Nitrogen fixation, nitrification, and denitrification.

Explanation: Atmospheric N2 is first fixed (converted to NH3/NH4+), then nitrifying bacteria oxidize ammonia to nitrite/nitrate, and denitrifying bacteria convert nitrate back to N2.