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Biology, 22.06.2019 01:30
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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Biology, 22.06.2019 09:30
Resperation is a way to release carbon back into the atmosphere
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Biology, 22.06.2019 14:30
Explain why scientists use the word dominant for certain traits.
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When you need to convert from one system of measurement to another, you should convert to the a) sys...
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