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»ýÈ° Q & A

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67.--.126.126 2012-3-20 (11:22:08)
¹®Á¦´Â Why do you think food is a source of chemical potential energy?

´äÀº   When the chemical bonds of food are changed by digestion, the energy stored in the food can be released. ÀÔ´Ï´Ù

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