HI!
I am 99% sure cerebrum is your answer. Please tell me if I'm wrong.
Goo Day
Because there is a reflection from the sun hits the moon the moon reflects the light on earth
Answer: Gene flow is the movement of alleles from one population to another as a result of the migration of individuals. This causes a reduction in the differences between populations. ... Genetic drift is a change in allele frequencies due to change of events in a small breeding population.