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ARC-Easy / Mercury_400620 / A student conducts an experiment to determine the effect soap has on the growth…

Problem

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question

A student conducts an experiment to determine the effect soap has on the growth of radish seeds. He puts 30 seeds in three different dishes: one with water, one with a 1% soap solution, and one with a 10% soap solution. Which type of data should he collect?

choices

  • size of seeds and amount of solution used
  • time of day and number of seeds germinated
  • type of detergent and amount of solution used
  • number of seeds germinated and average length of shoot

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