<|system|>
Can you answer this?</s>.
<|user|>
What are the most abundant greenhouse gases in Earth's atmosphere
<|assistant|>
The most abundant greenhouse gases in Earth's atmosphere, listed in decreasing order:

Water vapor
Carbon dioxide
Methane
Nitrous oxide
Ozone
Chlorofluorocarbons
Hydrofluorocarbons
Perfluorocarbons