Mathematics, 15.07.2020 01:01, adriantheclashroyaln

Xavier is testing different types of soil to determine which type is most effective in growing blueberry bushes. He purchases two different brands of planting soil from a local store. Xavier applies Brand A to an area of the yard that receives full sunlight and Brand B to another area of the yard that is in partial sunlight. He waters the area with Brand B daily; he waters the area with Brand A every other day. At the end of the study, Xavier concludes Brand A is more effective in growing Blueberry bushes. Why is his conclusion not valid?

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Xavier is testing different types of soil to determine which type is most effective in growing blueb...