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Alenkasestr [34]
3 years ago
6

Which of the following statements best describes 21st-century migration flows to the United States?

Geography
2 answers:
german3 years ago
8 0

Answer:

a

Explanation:

Andre45 [30]3 years ago
4 0
Letter A. The statement that best describes 21st-century migration flow to the United States is that l<span>arge numbers of immigrants and migrant workers, including skilled and unskilled laborers and many with advanced degrees, are coming to the United States from South and Central America.</span>
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Answer: 23.5\°

Explanation:

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It is called "Cancer" because a long time ago, when the summer solstice occurred in the northern hemisphere (on June 20th or 21st), the Sun was in the constellation Cancer (the crab).

Now, if we were just in the North Pole, Polaris would by exactly over our heads (90\° over the horizon), but as we go south and find the Tropic of Cancer parallel, Polaris altitude will be approximately at an angle of 23.5\° over the horizon.

Hence, the altitude of Polaris measured by an observer at the Tropic of Cancer is 23.5\°.

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