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AP® Human Geography

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Defining Doubling Time

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Doubling Time is

A

the time it takes for a population to double if the present growth rate remains constant

B

(Crude Death Rate - Crude Birth Rate) per 1,000.

C

(Crude Birth Rate-Crude Death Rate) per 1,000.

D

the forecast of age and sex distributions.

E

dependent on patterns of immigration and emigration.