Multiple Choice
What is Luca Cavalli-Sforza's hypothesis for why skin color change came late?
A) Fewer people in the past meant less genetic variability.
B) Earlier populations had ready access to vitamin D from the foods they ate.
C) The Sun was not as powerful as it is today.
D) People were still migrating from a cold,cloudy environment to a sunny environment.
Correct Answer:
Verified
Correct Answer:
Verified
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