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Social Studies, 28.01.2021 06:00 armando87

The temperature in a classroom is 15oC (59oF). The teacher turns the thermostat to 20oC (68oF) and keeps the door closed. Which of the following statements best describes the change that occurs as the temperature in the room increases to 20oC (68oF)?

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Cold air molecules collide to generate heat energy.

Cold energy in the room transforms into heat energy.

The room becomes warmer as heat energy is added to the room.

The room becomes warmer as cold energy is pushed out of the room.

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