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AP Environmental Science/Unit 3: Populations
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Calculating National Population Growth Rate
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For a specific region, the Crude Birth Rate (CBR) is 20, the Crude Death Rate (CDR) is 10, the immigration rate is 2, and the emigration rate is 4. All rates are per 1,000 people. The national population growth rate (%) is calculated using the formula: $$((CBR + \text{immigration}) - (CDR + \text{emigration}))/10$$. Based on this information, all of the following statements are true EXCEPT:

A

Incorporating both immigration and emigration is crucial for determining the national population growth rate.

B

The National Population Growth Rate (%) in this region is 8%.

C

The correct National Population Growth Rate (%) is calculated as $$((20+2-10-4)/10=0.8\%)$$.

D

A lower emigration rate compared to immigration contributes to a higher overall population growth rate.

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