Final answer:
The mass of the ripped up paper remains I gram.
Step-by-step explanation:
The mass of the ripped up paper can be determined by considering that the mass of a piece of paper is I gram. When the paper is ripped up, the total mass of the ripped up pieces will still remain I gram. This is because the mass of each individual piece of paper remains the same, even though the paper has been ripped up into multiple pieces.
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