Claire is shown two mystery boxes that are both 8,000 cm^3. Her teacher tells her that one mystery box is filled with rocks and the other is filled with napkins. Without touching the boxes, Claire is asked to determine which box has the napkins. What else must Claire know in order to identify what is in the boxes?
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Claire is shown two mystery boxes that are both 8,000 cm^3. Her teacher tells her that one mystery b...
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