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

Fact 2: If the water stands still and becomes stagnant, it can become a breeding ground for mosquitoes.

Given the two facts above, answer the question "Running water is better able to dissolve oxygen and nutrients than what?" with the following options: 
- pouring water
 - scarce resources
 - ocean water
 - river water
 - acetic acid
 - Veins and arteries.
 - an organism's body
 - stagnant water


 

        stagnant water 