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What do scientists believe is the determining factor that causes skin color variations in groups of humans around the world?
A.
genetics – two people with the same skin color are more likely to be genetically related, even if they come from different parts of the world
B.
diet
C.
ultraviolet radiation exposure in a society over a long period of time
D.
vitamin deficiencies

Respuesta :

Frenchie03
I disagree. The answer is C because ultraviolet light can tan you right? Well if it can change your skin color from white to tan it definitely can change the color of your skin to a different color! I hope this helps!!

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