On 11th of May 2010 we measured the amount of carbon dioxide in our class,B14, where our lesson was being held. The experiment was supposed to be done with all the windows and doors closed, but that was impossible considering the number of students.
This graph shows the maximum and minimum values, that squiggly red line is the focus point of the graph.
One detail that alters the values is whether it is raining or not........ on that day it was raining.!
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