Jablonski and Chaplin Hypothesized That Darker Skin Is Advantageous in __________

Jablonski and Chaplin hypothesized that darker skin is advantageous in __________ UV environments because darker skin ___________.

A) high-;reduces vitamin D production
B) high-;protects folate from degradation
C) high-;increases the rate of folate synthesis
D) low-;allows more vitamin D to be produced
E) low-;allows more folate to be produced