Question

3. What is calorie?​

Answer 1

Answer:

The calorie is a unit of energy defined as the amount of heat needed to raise the temperature of a quantity of water by one degree. For historical reasons, two main definitions of calorie are in wide use.

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Answer 2

Answer:the energy needed to raise the temperature of 1 gram of water through 1 °C (now usually defined as 4.1868 joules).

Explanation: