can anyone answer this question for me plz

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Julie says if the CO2 concentration is increased, the graph will be steeper at the start and ;eve; off at the save value of the curve.

 Niall says that if the CO2 concentration is increased, the graph will be the same at the start but will level  off at a higher value of the curve.

Who is correct? Explain your answer

Posted: 11-10-12 17:51 by simran

if this doesn't make sense please tell me


Posted: 11-10-12 18:37 by simran