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Biology, 07.06.2021 19:40 alejandramirand9836

a scientist is designing an investigation to find out whether the amount of light that a plant receives is related to how much food the plant has to help it grow. for her experiment the scientist plans to give one plant only one hour of light per day, another plant 5 hours of light per day and third plant 10 hours of light per day. then she will use a ruler to measure how much each plant grows each day. Did set up for her experiment is shown below. Which of the following will help make sure that the investigation is a fair test? ​


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