Answer:
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Explanation:
Glucagon is <span>protein hormone that is produced by the pancreas to promote the increase in the sugar content of the blood by breaking down glycogen in the liver.</span>
Answer:
A. Populations were separated through geographical isolation.
Explanation:
The results will most likely be valid because the scientists kept getting the same results after REPEATED experiments. If they just conducted one experiment then they would not have been sure if what happened was a fluke or if another thing would happen after another experiment.<span />