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15-12-2017
Chemistry

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Which of the following describes the energy transformation that takes place when a boy eats an apple and then lifts weights? A. Chemical energy is converted to mechanical and heat energy. B. Chemical energy is converted to mechanical energy. C. Chemical energy is converted to heat energy. D. Chemical energy is converted to mechanical and kinetic energy. Reset Submit

Respuesta :

04-07-2018

Answer : option A) Chemical energy is converted to mechanical and heat energy.

Explanation : When the boy consumes an apple he gains energy which is in the form of chemical substituent which get converted into the mechanical energy as the boy wants to perform a task which requires energy, now heat energy is given out when the boy is performing the act of lifting the weights.

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