takiswizard23
takiswizard23 takiswizard23
  • 01-10-2016
  • Biology
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The experimental results could be made more valid by... 1) increasing the number of students. 2) using a plastic clothespin. 3) using safety precautions. 4) making a bar graph of the data.

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Jgocrazy30
Jgocrazy30 Jgocrazy30
  • 01-10-2016
3) using safety precautions
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