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Biology, 21.06.2019 14:30
Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience
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Biology, 21.06.2019 22:00
Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.
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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 02:30
Variety of living organisms; includes genetic, species, and ecological types.
Answers: 1
Describe how the blood-brain barrier is formed....
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