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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Answer:
the answer is A
Explanation:
The Pacific, Atlantic, Indian, Southern, and Arctic oceans are all combined to make the global ocean
Answer:

Explanation:
The diagonal of a square is x units.
Let the side of a square is s.
Using pythagoras,

The area of the square is,
A = s²
So,

So, the area of a square is
sq units.