You are presented with the question "What does rhizobial bacteria do for plants?" and the following answer choices: 
- Converts oxygen
 - nutrients
 - Converts h2o
 - Converts nitrogen
 - Regrows it
 - hydrate their cells
 - Converts methane
 - competing for resources

Now knowing that bacteria in soil convert atmospheric nitrogen into a form usable by plants and rhizobial bacteria convert atmospheric nitrogen into nitrate fertilizers in a form usable by plants, choose the best answer.


 

    Converts nitrogen     