Differences in appearance among human populations around the world evolved
A) quickly, in less than 50,000 years, in response to their different brain sizes.
B) quickly, in less than 50,000 years, in response to different climatic conditions.
C) gradually, about 500,000 years ago, in response to their different diets.
D) gradually, about 500,000 years ago, in response to different climatic conditions.
Correct Answer:
Verified
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