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State the null hypothesis that corresponds to each of your 1) make an observation 2)define a scientific question about your observation 3)develop a hypothesis that could explain the phenomenon 4)make predictions about the potential outcomes 5)design an experiment that allows you to test your hypothesis 6)collect data over your experiment 7)analyze and interpret your data 8)draw conclusions The experimental factor that is manipulated; the variable whose effect is being studied. d) conclusion -data from experimentation should either support or contradict the hypothesis. Scenario 1: Miracle-Gro and Basil John really likes the herb basil. nchemtob29. 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