Answer:
Option E.
Step-by-step explanation:
Since, this question in under 'Health' , the question will surely be about Nutrition, so, Option E from the options in the question above is correct because that is what bomb calorimeter measure( The potential energy in foods). It can also be another substance apart from food.
Bomb calorimeter is used for the measurement of the quantities of heat that is been released, that is to say the the heat of combustion. The energy released is measured in the units of kilocalories.