4. In addition to skin pigments, Which one of the following also contributing to skin color, especially in fair-skinned individuals?
a). Behavior
b). Dress
c). Hemoglobin
d). Food
4. In addition to skin pigments, Which one of the following also contributing to skin color, especially in fair-skinned individuals?
a). Behavior
b). Dress
c). Hemoglobin
d). Food