Question

of the following factors, uv radiation in sunlight is absorbed by
options: carotene, carotene and keratin, melanin, keratin, i dont know yet

Explanation:

Melanin is a pigment in the skin that absorbs UV radiation to protect cells from damage. Carotene is a pigment for color, keratin is a structural protein, so they don't absorb UV like melanin.

Answer:

C. melanin