The united states experienced a rapidgrowth of its population of in the early 1900s. which of the following factors did not contribute to this rapid population growth?

explanation:

yes you are doing it right great gob

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

it is either c or d and i know for sure it is not a or b

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).