Ever since I was a kid I always wondered how people are not suffocating from staying in their house. Like if all windows are closed how does air get in? Wouldn’t we just breath up all the available air in a matter of hours and die? Same goes for cars too. If I’m on a long road trip and the windows are closed how am I still alive?
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As other have said, neither of those things are airtight. And, on top of that, movies and tv drastically underestimate the time it takes for a person to run out of air in a sealed room.
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