Paper Towel Absorbency Experiment Why Do All The Paper Towels Have To Be The Same Size In An Absorbency Experiment?

Why do all the paper towels have to be the same size in an absorbency experiment? - paper towel absorbency experiment

I know why, but I can not explain.
Thanks

Posted by Hardy Welk at 5:45 PM Sunday, February 21, 2010
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