Does anyone understand this?
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Answers: 3
Biology, 22.06.2019 01:30, sharondot2398
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.
Answers: 1
Biology, 22.06.2019 07:30, alejandra216
Ture or false evidence for evolution includes millions of fossils
Answers: 1
Biology, 22.06.2019 15:50, caroline1484
What happens to the average kinetic energy of water molecules as water freezes?
Answers: 1
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