Lucas compared the mass of a bag of blocks and the mass of a bag of sand. When he put each bag on the scale he observed that the scale was balanced. What is the best explanation for why this happened?
One of the bags has a greater mass than the other bag.
The bag of blocks and the bag of sand have the same mass.
The scale must be broken since two bags cannot have the same mass.
One of the bags has a lesser mass than the other bag.
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Lucas compared the mass of a bag of blocks and the mass of a bag of sand. When he put each bag on th...
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