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Biology, 21.06.2019 23:30
Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom
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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 07:00
Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
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Give three reasons why it is important that the maternal and fetal blood do not mix...
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