{HEAD ~ Greenhouse gases} include, but are not limited to, carbon dioxide , {TAIL ~ nitrous oxide} , methane, sulfur dioxide , NO2, NO3, and SO3 
include
{ HEAD ~ Greenhouse gases } include , but are not limited to , carbon dioxide , { TAIL ~ nitrous oxide } , methane , sulfur dioxide , NO2 , NO3 , and SO3
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH