Answer:
C. Sometimes molecules need to move from low to high concentrations.
Explanation:
Explanation: Rivalry
There is safety in numbers, and with that, they can run together more often without the fear of being attacked, and must push themselves to match others, therefor getting fit
Inner core, outer core, mantle and crust
B white blood cells function as your immune systems body guards. Osmosis Jones is a great movie to watch in order to learn more about it :)
