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Astudent visits the beach during a very hot day she steps on the santa and jumps because it is so hot what type of heat transfer is demonstrated by the sand in this example
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Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this
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Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
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Percentage of assimilated organic matter that is incorporated into biomass.
a. consumption eff...
a. consumption eff...
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