Answer:
When water moves from low concentrations of solute to high concentrations of solute, it moves from high concentrations of water to low concentrations of water.
I belive the answer to this question is planet D because of thw mass of dogs
If you're talking about ocean currents then I think I can help. They change due to the wind, temperature and density differences.
You can tell by whether or not the allele appears more often than another. If more pods are a long shape than short, than the long shape is dominant.