Biology, 20.09.2020 09:01 angelashaw449
6. Alex wanted to find out what toothpaste made teeth the cleanest. Everyday she brushed her teeth with a different product and then took a plaque test to see how much plaque was left. She used Crest, Colgate, Close-up, and water. a. Independent Variable (IV): b. Dependent Variable (DV): c. Control: d. Constants:
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As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases
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The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates
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What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms
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Vessels draining the myocardium of the heart, open primarily ,into which chamber?
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6. Alex wanted to find out what toothpaste made teeth the cleanest. Everyday she brushed her teeth w...
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