You are presented with the question "what is better able to dissolve oxygen and nutrients when it's running over standing?" and the following answer choices: 
- bass
 - lake
 - H20
 - h2o
 - heat
 - vitamins
 - hydrogen
 - bogs

Now knowing that running water is better able to dissolve oxygen and nutrients than standing water and water is made up of H2O molecules, choose the best answer.


 

    h2o     