What are the features of the appearance of representatives of the Negroid race? How are they explained?

Representatives of the Negroid race have dark skin, because it protects the body from harmful ultraviolet rays, and curly hair creates something like an air gap that protects the head from overheating, since this (most of this race) race lives in hot countries.
Features of the appearance of representatives of the Negroid race:
Dark skin color
Wide open brown eyes
Dark curly or wavy hair
Thick lips as well as a “big” nose.



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