Submitted by Anonymous on Tue, 05/17/2011 - 13:13

hi this is Taylor P. from period 4 I'm awsering the quiz. Ithink that the reason the carbon levels are higher in the moning is the monings then the afternoon is that the sun burns off most of the carbon dioxide.

John Wood

Thank you for the answers. Remember that the plants use the carbon dioxide when the sun is out.Mr. Wood