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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 16:00
Produce proteins by following coded instructions that come from the nucleus of the cell.
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Biology, 22.06.2019 19:30
True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.
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Which statement best describes the comparison of lake and ocean environments...
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