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Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
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What will happen if deforestation continue to destroy the green plant on the planet
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Which structure in the cardiovascular system connect arteries to veins?
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mention four ways in which the local government can assist people in raising awareness regarding the...
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