Answer:
B.Allergies .many people are there who are allergic to things.
The answer was D..............I DID IT AND GOT IT RIGHT
Carbon<span> is found in all living things is the </span>reason<span> that why </span>carbon is able to form macromolecules<span>.
you do not have the reasons listed, so i came up with my </span>own
D. Bacteria because “bacteria” is actually a domain itself