An unopened pack of chips appears to be half filled with chips. What makes up for the other half?
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Explanation:
The cushion actually is nitrogen gas. Chip manufacturers fill bags with this preservative gas to help keep chips fresh. If it were filled with regular air, the chips would likely turn soggy and spoil.So the other half is filled by air.
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The other half of the packet is occupied by the compressed air that the packet is packet with .
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