Which of the following is the correct sequence of greenhouse gases according to their relative global warming potential, in increasing order?
In rising order of global warming potential the sequence is carbon dioxide, then methane, then nitrous oxide, then chlorofluorocarbons.
Placing nitrous oxide and methane before carbon dioxide reverses the correct low to high order.
Beginning with methane and nitrous oxide before carbon dioxide misranks carbon dioxide, which has the reference value of one.
Putting nitrous oxide ahead of methane wrongly swaps two of the middle gases.
Carbon dioxide is the baseline with a warming potential of one, while methane is far stronger per molecule.
Chlorofluorocarbons have the highest potential of the four, thousands of times that of carbon dioxide.
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