Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.
Answer: Claim
This is an example of a "claim." A claim is an assertion that states that something is the case, or that something is a fact. It is typically provided regarding a situation that is in dispute. In this case, most people would argue that time will help us reach the solution to our problems. The speaker is disputing this assumption, by saying that the solution is in our hands.
There were many ways in which early Muslims viewed and treated Jews and Christians, but mostly it was with tolerance, except on the outskirts of the empire.
Early farmers who cultivated crops and domesticated animals
