A. A UNIT OF ENERGY SUPPLIED BY FOOD.
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. In a nutritional sense, all types of food — whether they are fats, proteins, carbohydrates or sugars — are important sources of calories, which people need to live and function.
Super glue does not last long on the skin. It will eventually dissolve in a few days naturally. If you would like to speed up the process, you can rinse off the area with warm water. However, if the glue does not come off, you will develop a rash and most likely will have to see the doctor.