You are presented with the question "What in the soil converts a type of nutrient into a form usable by plants?" and the following answer choices: 
- sugar
 - Beetles
 - Plants
 - Glucose
 - Bacteria
 - a solute
 - Roots
 - Enzymes

Now knowing that bacteria in soil convert atmospheric nitrogen into a form usable by plants and like nitrogen, phosphorus is a plant nutrient, choose the best answer.


 

     Bacteria    