Depending on skin tone and the sun intensity, about 15 minutes of unprotected sun exposure generates between 2,000 and 5,000 IU of ____.
A) vitamin A
B) vitamin D
C) beta-carotene
D) selenium
E) vitamin E
Question 2
A food that offers specific health benefits beyond those supplied by the traditional nutrients it contains is called a ____ food.
A) functional
B) fortified
C) high-octane
D) transgenic
E) super