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Q1 describe each of these changes as endothermic or exothermic. a. The water in a lake releases heat to the air, forming ice. (system

Q1 describe each of these changes as endothermic or exothermic. a. The water in a lake releases heat to the air, forming ice. (system = water) b. The wax in a candle burns. (system: candle) C. You warm your hands by a fire. (system: your hands)

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