When you buy a bag of chips or whatever it will stay fresh for a long time but once you open the bag it will only last for a few days. How is this possible? 520 viewsJanuary 3, 2024 Question90.61K February 23, 2021 0 Comments Like there is air in the bag as well so how come it can last for longer period of time when sealed? In: Earth Science 8 Answers ActiveNewestOldest Anonymous Posted February 23, 2021 0 Comments Chip bags are filled with nitrogen when processed. So once they are opened, oxygen is reintroduced. You are viewing 1 out of 8 answers, click here to view all answers. Register or Login
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