Answer:
A
Explanation:
mtDNA is inherited from the mother of a child, this is because mitochondria are in the cytoplasm and the father's gamete (sperm cell) contributes very little or no cytoplasm to the zygote. We know that mitochondrial Eve came from Africa because the mutations in the mtDNA occurred before the <em>out-of-Africa dispersal</em>.
The answer is d. The solar system used to have a bunch of dust and particles in the air, after a while gravity pulled the particles together and formed the sun and the other planets.
Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
I think it is peer reviewed scientific journal and please give me the Brainlist answer
