The reason why these groups such as the Inuit, have darker skin than people living in similar latitudes is the high Vitamin D content of the diets of these groups.
The Inuits and Chukchi ate diets that were very high in Vitamin D which led to them becoming darker.
This is because melanin works with vitamin D to absorb harmful UV rays which makes the skin darker.
Find out more on melanin's effects at https://brainly.com/question/5710489.
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