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Explain how the relationship between skin color and UV radiation provides evidence that this trait evolved by natural selection
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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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Explain how the relationship between skin color and UV radiation provides
evidence that this trait...
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