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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, 23.06.2019 03:10
In the induced-fit model of enzymes, a substrate associates itself with which part of an enzyme? a. the denatured site b. the amino acid site c. the active site
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Biology, 23.06.2019 04:00
Where is the female part of a plant located? a.in the pollen b.in the roots c.in the stem d.inside the flower
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Mathematics, 11.10.2019 13:50
Mathematics, 11.10.2019 13:50
Mathematics, 11.10.2019 13:50
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Mathematics, 11.10.2019 13:50
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Spanish, 11.10.2019 13:50