Which factors best help determine an increase in population size?%0D%0A%0D%0AA. %0D%0Abirth rates and death rates%0D%0A%0D%0A%0D%0AB. %0D%0Aemigration rates and death rates%0D%0A%0D%0A%0D%0AC. %0D%0Abirth rates and immigration rates%0D%0A%0D%0A%0D%0AD. %0D%0Aemigration rates and immigration rates

C. birth rates and immigration rates

Birth rates and immigration rates are the two factors that best help determine an increase in population size. High birth rates and a large influx of immigrants can lead to a population increase.