14th May, 2021. Assignment: 13.
Describe the
prevent of phenomenum that lead to the prevent of heat in a thermos flask​

Your first step in treating this victim is to activate 911

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Answergenetic bottleneck;

The answer is the third option - america experienced a major population increase and did not want to disrupt its ethnic diversity by going to war.the years before 1920, many immigrants moved to america. this increase in immigrants affected the u.s. economy as well as their politics. in the economy side, the immigrants greatly the american economy.