Napalm bombs generate carbon monoxide while simultaneously removing oxygen from the air. The air in the bombing area can be 20 percent or more carbon monoxide [source: GlobalSecurity.org]. This effect occurs because napalm partially combusts the oxygen in the air, turning CO2 (carbon dioxide) into CO (carbon monoxide).
However if you want a more clear answer I need a image of the passage.
C Establish a cultural comparison for her argument about napping.
The author has tried to mention the custom of European napping. It is a mid day pause from the routine works to feel the individual fresh every day. The person can have a short break from his work and enjoy the time doing things that make him feel fresh again. The author has made comparison from the other countries who do not follow such rituals.