What is the author's purpose for including the section "Sweets and Snacks" in "UR What U Eat"?
O to explain which snacks are healthy and which ones have no vitamin content
O to explain that eating snacks adds too many calories to a diet so they should be eliminated
O to explain that one should limit snacks that are high in fat, calories, and sugar
O to explain that snacks are essential for keeping one satisfied between meals