Compared with black people, who has the upper hand in physical quality?

1, Russian Caucasian, mainly suitable for cold areas, with warm body hair and white skin color, without much ultraviolet protection;

2, black: mainly suitable for hot, such as desert or even desert areas, less body hair is convenient for heat dissipation, and darker skin color is conducive to preventing ultraviolet damage;

3, so you can't analyze it in general, but put it in a specific environment.