Question

select the two answers that apply: the majority of nitrogen in the atmosphere is unusable by plants. what process makes it available? nitrogen can be fixed from the atmosphere by bacteria in the soil nitrogen can be fixed from the atmosphere by animals eating plants nitrogen can be fixed from the atmosphere by lightning nitrogen can be fixed from the atmosphere by rain

Explanation:

Nitrogen - fixing bacteria in soil convert atmospheric nitrogen into a usable form for plants. Lightning also causes chemical reactions that fix nitrogen from the atmosphere. Animals eating plants is part of the nitrogen - cycle but not a nitrogen - fixing process, and rain does not fix nitrogen from the atmosphere.

Answer:

Nitrogen can be fixed from the atmosphere by bacteria in the soil
Nitrogen can be fixed from the atmosphere by lightning