Question

obesity rates may have risen since the 1970s because today
a) student are more likely to walk or ride their bikes
b) families are more likely to cook their meals at home
c) restaurant portion are about 30 percent larger
d) student get more recess time at school

Answer 1

Your best answer would be letter c because all the rest of the answers would be supporting the fact that people would be loosing weight and not gaining it.

Answer 2

C, because portion sizes will make people more likely to eat more, because people don't like to waste food.