NUTRITION
NUTRITION AND PHYSICAL ACTIVITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The best way to describe a calorie is that it is:
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Protein
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Water
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Energy
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None of these
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Explanation:
Detailed explanation-1: -A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity. Calories are listed in the nutritional information on all food packaging.
Detailed explanation-2: -The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gram of water 1° Celsius. Since 1925 this calorie has been defined in terms of the joule, the definition since 1948 being that one calorie is equal to approximately 4.2 joules.
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