I think the answer is B..
The combustion of the carbon results in the generation of the carbon dioxide and the carbon monoxides. Other than this, the reaction of the carbon compounds also causes the release of methane. The reaction of the carbon with various substances also result in the formation of CFCs (Chlorofluorocarbons)
All the mentioned gases are well known green house gases. All the green house gases traps the heat in the earth's atmosphere and cause global warming.
Answer:
A sample of a specific species of microorganism was added to 100 mL of a liquid culture medium. ... The 1 mL of experimental culture medium was replaced by 1 mL of new sterile culture medium to maintain a constant volume.
