Select the correct option regarding the relative contribution of various greenhouse gases to total global warming.
- A$CO_2 (60\%) > CH_4 (20\%) > CFCs (14\%) > N_2O (6\%)$
- B$CO_2 > CH_4 > CFCs > N_2O$
- C$N_2O > CH_4 > CFCs > CO_2$
- D$CO_2 < CH_4 > N_2O > CFCs$
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