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aev [14]
2 years ago
13

The change in CO2 levels in the air in the container for when the person was sleeping vs. when they were awake.

Biology
1 answer:
kicyunya [14]2 years ago
7 0
Well CO2 levels are high , and that’s a shift in their reaction. so i suppose when the person is sleeping their CO2 levels are lower so if there is an answer asking if it’s lower then press that if not i don’t know i’m sorry :/. if you ever need anything else DM me lol
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