Which factors contribute to a country's natural population growth? check all that apply.
immigration rate
migration rate
birth rate
death rate
fertility rate

The correct answers are C. Birth rate, D. Death rate and E. Fertility rate.

Explanation

The natural population growth rate is an index created by the countries to know the number of natural persons in their country, also, these indices serve to know other classifications of the population as gender or age.

The basic data to know the population growth rates are fertility or birth rate and mortality or death rate because these indicate the rate of people born in a certain period, additionally the number of people who die in the same period. On the other hand, this statistic allows us to know other data such as life expectancy, that is, the average age at which people die. So, the corrects anwers are C. Birth rate, D. Death rate and E. Fertility rate.

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