All cells in the body are mostly made up of
a.
fats
b.
proteins
c.
amino acids
d.
water

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

the answer is c on e2020, bud.

yes, because even though a theory has a  lot of evidence to support it, it is not always true