Explanation:
Melanin is the pigment which absorbs UV light and it is present in skin and gives black colour to it.As we can see africans usually have black skin as they have to face direct uv light.
Answer:
hola esta en ingles alguien sabe como ponerlo em español
Sorry i might be wrong but i think its 11x3 r 3
Answer:
The farther up they go, the more recent the layers were created
Explanation:
