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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 02:20
The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions
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Biology, 22.06.2019 04:50
What part of the brain is highlighted in the diagram below?
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Biology, 22.06.2019 12:30
Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing
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