Scientists use several methods to determine the proximity between species. Two of those methods may be an anatomical comparison, by examining the skeleton structure of two species, and DNA composition comparison, by comparison of genes, or specific parts of the DNA, that allow establishing the relative distance between species.
The correct answer would be D), over millions of years, Pangaea broke apart and drifted to form the seven continents.
Pepsin is an enzyme that breaks down proteins to polypeptides so if you add pepsin to aprotein it will break it down into smaller molecules of polypeptides
If the choices are A.C2H6, B.C2H4, OR C.C2H2 then the answer would be B.C2H4 because each carbon atom bonds with two hydrogen atoms and one double carbon bond.
<span>d. cysts in feces
it can enter human body via </span><span>contaminated foods and water</span>