The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century.If this happens,what will be the atmospheric concentration of carbon dioxide?
A)2.0 ppm
B)3.5 ppm
C)385 ppm
D)560 ppm
E)700 ppm

Question

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The Answer of The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century.If this happens,what will be the atmospheric concentration of carbon dioxide?
A)2.0 ppm
B)3.5 ppm
C)385 ppm
D)560 ppm
E)700 ppm

The Intergovernmental Panel on Climate Change Reported in 2007 That