You noticed that the CO2 levels increased over time in the respiration chamber and the O2 levels decreased over time in the respiration chamber. Why did you observe that?

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."

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you from need your doesn't matter where from is my science exam

me