AP Human Geography Unit 2 Vocabulary

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Population Distribution

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The pattern in which humans are spread out on Earth's surface.

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Arithmetic Density

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average number of people per unit of land area. (usually per sq mile or kilometer)

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Crude Birth Rate (CBR)

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average number of live births per 1,000 people per year.

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Population Density

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average number of people per unit of land area.

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Physiological density

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the average number of people per unit area (sq mile or kilometer) of arable land.

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arable land

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land that is suitable for cultivation

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agricultural density

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The number of farmers per unit of arable land, measures the labor intensiveness of a country's agriculture.

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Population Pressure

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the stress on an environment's ability to support a population, driven by an increase in the number of individuals or high consumption rates, leading to resource depletion and environmental degradation

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ecumene

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The portion of Earth's surface with permanent human settlement.

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Population cluster

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Four heavily populated areas on Earth: South Asia, East Asia, Southeast Asia, and Europe.