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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.
Answers: 1
Biology, 22.06.2019 08:10
What is the next step in the process after a substrate enters the active site of an enzyme
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Biology, 22.06.2019 11:30
What materials must dams have to produce electricity, and what must occur?
Answers: 1
Question 7(Multiple Choice Worth 2 points) (06.02 MC) Read the two sentences. The boy scored the win...
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