Hi Mr.Wood, This is Natalie from 4th period. I wanted to answer your question that you posted a couple weeks ago. I believe that the CO2 levels at that time of year would be going up because it is impacted! Sorry i didn't reply to you sooner, i forgot how to reply to you so i asked John O. from period 4! Well, I hope you are having fun and see you soon! From, Natalie from period 4