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.
The correct answer is A. <span>Argentina, Brazil, and Chile mediated between the two sides, and an effective agreement was reached.
Hope this helps</span>
<span>make vast amounts of wealth by limiting competition, cutting production costs, and controlling prices.</span>