Answer :
Final answer:
Exposure to UV radiation increases melanin production in the skin, resulting in darkening as a protective measure against UV damage.
Explanation:
Melanin is the pigment responsible for skin darkening. When exposed to UV radiation, the production of melanin increases in the skin, leading to a tan as a defense mechanism against UV damage. Activation of melanogenesis in response to UV exposure helps protect the skin from harmful effects of UV rays.
Answer:Exposure to UV radiation causes the skin to darken by increasing the production of a pigment called melanin.
Explanation:
