You are presented with the question "What is better able to dissolve oxygen and nutrients than standing water?" and the following answer choices: 
- puddles
 - microorganisms
 - ponds
 - nitrogen
 - swamp vegetation
 - Veins and arteries.
 - streams and creeks
 - peachleaf willow

Now knowing that running water is better able to dissolve oxygen and nutrients than standing water and streams and creeks provide running water, choose the best answer.


 

       streams and creeks  