Url: http://www.scientificamerican.com
In order to answer
to define a calorie
a unit that is used to measure
is 1,000 times larger than the
an apparatus known as a bomb calorimeter
In this system, calories are not determined directly
total caloric value is calculated by adding up the calories
add up - (especially in negative sentences) to seem reasonable; to make sense
Example: His story just doesn't add up.
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