Geography and Economics Concepts

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Doubling Time

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The number of years it takes a population to double in size based on its current growth rate.

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Population Distribution

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The geographic pattern of where people live on Earth, which is uneven.

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Population Density

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The average number of people living within a square mile or square kilometer.

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Urban

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Areas that are densely populated.

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Rural

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Areas that are sparsely populated.

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Emigrate

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To leave one’s home to live in another place.

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Immigrate

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To enter and live in a new country.

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Refugees

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People who flee a country because of violence, war, or persecution.

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Urbanization

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The process where cities grow larger and spread into surrounding areas.

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Megalopolis

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A huge city or cluster of cities with an extremely large population.