Question

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

Answer 1

It would be UV light exposure because one all because someone looks the same as someone else doesnt mean their related. There genetic makeup like bloodtype and their hair color could be the same but that doesnt mean they are the same.

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