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In nature, some elements exist as molecules, while others do not.
Permanent Underclass
A portion of society that finds itself at the very bottom of the social class ladder, underneath the primary segment of the working class.
U.S. Population
The total number of people living in the United States at a given time.
Healthcare Spending
The total amount of money spent on healthcare services and products within a country over a specified period.
GDP
Gross Domestic Product represents the total market or monetary value of all completed goods and services made within the confines of a nation over a certain time period.
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