Are they in they in heavy tree'd areas though? I thought of that and other equatorial areas often have tree canopies, so human heads aren't necessarily getting bombarded with sunrays as often or as direct.

I think there is something to the combination of dry climates (resulting in less vegetation), lots of sun, and kinky / curly hair.
Originally Posted by tricello
No, there are desert regions outside of Africa - treeless and with no cover - that exist in the Middle and South East (and beyond), whose populations generally don't have hair seen in most of Africa.
3b/c?

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