Biology, 05.10.2021 05:50, lifeofabe214

4. Samantha believes that flowering plants produce more flowers when they are given fertilizer. She designs an experiment in which three rose bushes are each

given 100 grams of a different type of fertilizer. She observes the plants for four

weeks and records the number of roses each bush produces. What element of

experimental design is missing from Samantha's experiment?

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4. Samantha believes that flowering plants produce more flowers when they are given fertilizer. Sh...