Mateo asks his doctor about calories. He wants to know how scientists determine that chips have 140 calories and an apple has 80 calories. How can the doctor BEST explain how this is calculated?
Answer
A
It is calculated based on the amount of heat required to raise the temperature of water.
B
It is calculated based on the amount of weight an average person gains after eating the item.
C
It is calculated based on the amount of macronutrients present in the specific package.
D
It is calculated based on the amount of fat and carbohydrates divided by the amount of protein.