How does one determine a country's natural increase? a. subtract the birthrate from the death rate. b. subtract the death rate from the birthrate. c. add the birthrate and the death rate. d. divide the birthrate by the death rate.

B. Subtract the death rate from the birthrate.

Explanation:

A country's natural increase refers to the increase in population that a country has every year when we only look at births and deaths. In order to obtain this number, we need to substract the death rate from the birthrate. The number we obtain is the number of "extra" people a country has compared to the previous year. If the number we obtain is negative, this means that the population is decreasing, not increasing.

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