Devise an investigation to compare the absorbent properties of different brands of paper towels.
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Explanation:
Cut equal size pieces of the various towels. Weigh each piece on a gram scale. Dip each piece into water, allowing it to become fully saturated. Lift it out of the water and hold it just until it stops dripping. Weigh it on the gram scale. Subtract the weight of the dry paper, to get the weight of the water it absorbed.
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