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Tommiiee Tommiiee
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6 years ago
Which of the following is related to the evolution of skin pigmentation in human populations?
 
  A. the amount of ultraviolet radiation and the need for vitamin D
  B. the amount of carbohydrates versus proteins that are in the diet
  C. the need for natural camouflage from predators
  D. iron and zinc compounds in the soil
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karlexkarlex
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6 years ago
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6 years ago
this is exactly what I needed
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You make an excellent tutor!
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