Submitted by Anonymous on Wed, 03/28/2012 - 20:30

Hey Mr.Wood Michael from per. 4 again. At the end of the March 23 entry you started to talk about the parts per million with carbon levels, but I'm still kind of confused can u explain more?

John Wood

Great question, and you will understand better after you have science class on Thursday. Let me know how it goes.Thanks,
Mr. Wood