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Pls, give the answer in a well-developed paragraph. Pls, give your answer in at least 200...

Pls, give the answer in a well-developed paragraph. Pls, give your answer in at least 200 or more words.

What three factors affect the size and age of the population?

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Answer) Three factors affecting the size and age of the population are-

Birth rate- It is the rate of childbirth in the population for every thousand individuals. It will affect the size of the population as the size of population will increase if the birth rate increases. In addition to this, the average age of the population will decrease if the birth rate increases (keeping other factors as constant).

Mortality rate- It is the rate of deaths in the population for every thousand individuals. It will affect the size of the population as the size of population will decrease if the death rate increases. In addition to this, the average age of the population will decrease if the death rate increases (keeping other factors as constant).

Migration rate- Migration refers to the difference between net immigration and net emigration. Immigration is caused when the people move into the population which will change the age and increases the size of the population. Emigration is caused when the people move out of the population it will also change the age and decreases the size of the population.

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