Answer:Fixation - Fixation is the first step in the process of making nitrogen usable by plants. Here bacteria change nitrogen into ammonium. Nitrification - This is the process by which ammonium gets changed into nitrates by bacteria. Nitrates are what the plants can then absorb
Explanation:
The answer is Planet Z:
1. lacks axis tilt.
2. has a large size for a terrestrial planet.
3. has a slow rotation rate.closely orbits its star.
You can take a single point as a answer but though I am a Expert, I explained in detail.
States would not be a national government branch