If one sample of food contains 200 calories and another contains 300 calories, which statement applies?

a. the 200 calorie food contains more potential energy than the 300 calorie food
b. the 200 calorie food contains less potential energy then the 300 calorie food
c. the 200 calorie food contains the same potential energy as the 300 calorie food
d. the potential energy of both foods cannot be determined unless they are combusted in a calorimetr