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Students measure the energy given off by a burning peanut as it heats 100 mL of water.

How is energy conserved in this experiment?
OA. The chemical energy in the peanut is changed to electrical energy.
OB. The heat energy in the peanut is changed to chemical and light energy.
Oc. The heat energy in the peanut is changed to chemical and sound energy.
OD. The chemical energy in the peanut is changed to light and thermal energy.

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Answer: OD. The chemical energy in the peanut is changed to light and thermal energy.

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