Examlex
The internal energy of a system such as helium gas can be identified as the total mechanical energy of the ______________.
Urban Population
The segment of the total population that resides within cities and towns as opposed to rural areas.
Literacy Rates
The percentage of a population that is able to read and write at a specified age, often used as an indicator of educational achievement and social development.
U.S. Economy
The economic system of the United States characterized by a mixed economy that supports private freedom, including a variety of private businesses, alongside significant government regulation and programs.
Imported Goods
Items brought into a country from another country for sale or use.
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