Fact 1: Running water is better able to dissolve oxygen and nutrients than standing water.

Fact 2: Streams and creeks provide running water.

Given the two facts above, answer the question "What is better able to dissolve oxygen and nutrients than standing water?" with the following options: 
- puddles
 - microorganisms
 - ponds
 - nitrogen
 - swamp vegetation
 - Veins and arteries.
 - streams and creeks
 - peachleaf willow


 

       streams and creeks  