PLS help me i don't know this Calorie is a unit of energy. Some food items mention on their label a certain number of calories. What is
the reason for this?
A. Food is used to measure energy.
B. Food items having more than a certain number of calories are banned.
C. The calorie figure indicates how much energy was used to make the food item.
D. The calorie figure indicates how much energy the food would give when eaten.