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SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He brought a special Flower Power fertilizer to see if it will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He places one plant in a sunny window and waters it every day with fertilized water. He places the other plant on a shelf in a closet and waters it with plain water every other day.

What did SpongeBob do wrong in this experiment? Explain.

How could SpongeBob improve his experiment?

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xxbunnyanime12345

Answer: He had more than one independent variable.

Explanation: It would only be fair, if both plants were in a sunny window, because then, it would be easier to see if the fertilizer actually affected the plants. This is because there is always a chance that the lack of sunlight decreased the number of flowers on the plant, instead of the fertilizer. It is always better to just have one independent variable.

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