If the body is 20%% efficient at converting chemical energy into mechanical energy, how many times would you have to lift the barbell in order to burn enough calories to use up the energy absorbed by eating a 300-food-calorie dish of ice cream? Note: 1 food calorie = 1 kilocalorie = 4186 JJ.
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Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
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If the body is 20%% efficient at converting chemical energy into mechanical energy, how many times w...
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