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Two students are conducting an experiment to investigate the effects of fertilizer on plant height. Which of the following is an appropriate hypothesis for this experiment?
a. Experimenting in the same greenhouse will keep the experiment controlled and valid.
b. The students will measure height in cm for all plants.
c. The amount of fertilizer given should remain the same for half of the plants.
d. As the amount of fertilizer increases, the height of the plants will increase.
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Two students are conducting an experiment to investigate the effects of fertilizer on plant height....
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