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The influenza virus cause the flu, but not other diseases. why?
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During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are
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_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous
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Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
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Assume that the eccentricity of earth's orbit increases from 0.017 to 0.12. the point of aphelion wo...
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