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mixas84 [53]
3 years ago
13

What do scientists believe is the determining factor that causes skin color variations in groups of humans around the world?

History
2 answers:
mr Goodwill [35]3 years ago
8 0

Answer:

a

Explanation:

yan [13]3 years ago
3 0

Answer:

C. Ultraviolet radiation exposure in a society over a long period of time.

Explanation:

I've taken a test containing this question.

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