Answer:
i pretty sure its A forgive me if i'm wrong
Explanation:
Answer:
Mutations, gene flow, and sexual reproduction are all major causes of variation. By altering the genes of individuals in a population, DNA mutation causes genetic variation. As new individuals with different gene combinations migrate into a population, they cause genetic variation.
Explanation:
B)
Answer:
true
Explanation:
they have a common ancestor that allows for the mating
Answer:
C. a government established only for trade.