Respuesta :
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
