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 answers are A. and B.
Answer:
The main cause was that a few exports had increased European demand. After the war the economy slowed, causing increasing political unrest. Population growth, swelled by heavy immigration, contributed to urban concentration and increased social problems.
Explanation:
Answer:
sodium is preserved in Kerosene so that it couldn't expose to the air.
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