When calculating global population growth, the death rate is

a. subtracted from the birth rate

b. added to the birth rate

c. added to the life expectancy

d. subtracted from the life expectancy

Answer;

A.subtracted from the birth rate

Explanation;To calculate the population growth rate, we subtract the death rate from the birth rate. The birth rate together with mortality and migration rate are used to calculate population growth. When birth rates are higher than the mortality rate, then the population growth is positive and vicevarsa.Zero population growth can be achieved when the birth rate of a population equals the death rate

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