what a minute
i gonna go to the google and search for you
<span>although the models of genetic drift predicts the genetic diversity.
I put this in and got 100% for the question ^^</span>
Answer:
I believe it's B, its been a while since I last studied cells so I might be wrong
Explanation:
A river that comes from rain, glaicers etc would be a good example of fresh water rivers. Cause the water is coming from something that is most likely been unthouched by man or has been filterd and cleaned from minerals in the ground.