APES formulas unit 3

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6 Terms

1
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Population Density

Population/Density

2
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Birth Rate

Births/total pop *100

3
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Death rate

Deaths/total pop *100

4
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Crude growth rate

(Birth -Death)/population *100

5
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crude growth rate with migration

((Birth + immigrants) - (death + emigrants))/population * 100

6
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doubling time

70/crude growth rate