The answer is: [C]:
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"the number of people who live in a square mile or kilometer" .
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Let us examine the other answer choices:
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Answer choice: [A]: "</span><span>an increase in the number of people living in an area over time" — refers to: "population growth".
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Answer choice: [B]: "<span>a decrease in the number of people living in an area over time" — refers to: "population decline"; or, "depopulation".
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Answer choice [D]: "</span>the number of live births per one thousand people in a year" — refers to: "birth rate". (as opposed to: "the number of deaths per one thousand in people in one year" — which refers to the "death rate"; or, "fatality rate").
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Aristocratic, or rich families, lived in large buildings
With what issue? Cause you didn’t write what there doing
I think it is A due to globalization, less people need to make products in there own country.
