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the way that they find calories is by setting the object a flame and however many degrees celcius it raises 1 cubic centiliter of water, is the amount of calories. for instance if we burned a marshmallow under 3 centiliters of water and it raised 600 degrees,

then u would divide by how many centiliters there were and so the calories would be 200.

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Q: How do they calculate how many calories something has in it like for example how did they find out how many calories are in sugar or something like that?
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