A Person's Skin Color Depends on

A person's skin color depends on

A) the amount of melanin in the skin; more melanin means darker color.
B) the type of melanin in the skin; one form makes people fair and one form makes people dark.
C) the location of melanocytes in the skin; the deeper the melanocytes, the fairer the skin.
D) where a person lives; people at high elevation have darker skin.
E) A, B, and C