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jack wants to test the effects of different insecticides on the death rate of ants. which of the following should be the indepedent variable in his experiment?
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What would happen if the tubing with the yellow band was placed in a beaker of distilled water?
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Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?
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jack wants to test the effects of different insecticides on the death rate of ants. which of the fol...
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