Introduction:
Did you ever
wonder how scientists know how much energy is in the
foods we eat? When you look at the package that
food comes in, it tells you how much energy it contains.
How do they know that?
Snack food contain
chemical energy in the form of oils, sugars, starch and
some other hydrocarbons. In our body such energy will be
used to keep us warm and perform other biological
functions.
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