2. You water three sunflower plants with acidic water. Each plant receives a different concentration of acid solutions. A fourth plant receives regular water. After a two-week period, the height is measured. What is the independent variable,dependent variable, constant and hypothesis?
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Which of the following has expanded our knowledge of the universe beyond our solar system the most? a. manned space travel b. the hubble space telescope c. the pioneer and voyager missions d. the international space station
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2. You water three sunflower plants with acidic water. Each plant receives a different concentration...
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