Why are birth, death and migration called determinants of population change?

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birth,death and migration called determinants of population change because birth of a person increase the population, death of a person decrease the population and migration change the population of a certain place

the right answer is a

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.