Answer:
The determination of the numerical age of an object.
Explanation:
Absolute dating determines the numerical age of an object.
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Answer:
Population pyramids are used by demographers as a tool for understanding the make-up of a given population, whether a city, country, region, or the world. Learning about, using, and understanding these pyramids is an important part of AP Human Geography and AP Environmental Science.
Explanation:
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The temperature decreases in the mesosphere since there is no ozone and the amount of air is decreasing.
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External migration takes place for educational or economic reasons as well, but often, it is politically motivated. An international migrant is someone who moves to a different country. Simply, internal migration refers to the movement of people within a country.
