Please answer the following question: 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.
A:
Converts nitrogen