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Why is it believed that large parts of the United States were once covered by shallow seas?
Gender Gap
The disparity between men and women in various aspects, such as pay, employment opportunities, political representation, and more.
Democratic Party
A major political party in the United States that generally represents liberal and progressive positions.
Random Sample
A method of selecting a sample from a statistical population in such a way that every possible sample has an equal chance of being chosen.
Target Population
The specific group of people that a particular policy, study, or marketing campaign is intended to affect or reach.
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