Answer: its the first coments that hit earth
Explanation: when the coments came and hit the un-habitable earth, they seemed to carry small droplets of water, which in a result, started all life on earth.
the second one is...God. he created all life that currently roam earth today, it's all in the bible...but, it doesn't seem to add up but i bet it one of the two.
there's a documentry on this if you wanna know more!
The answer is <u>B: a mutation inhibiting human immunodeficiency virus from entering the host cell</u>
<span>False
Dog breeding would be an example of artificial selection. That is, is follows the same processes in selecting for certain mutations as natural selection but is guided and directed by humans. The primary difference is that artificial selection is much faster as it can be directed and focused with intelligent guidance rather than blind direction from natural evolution.</span>
