The following are greenhouse gases except? By: Sunday|Published on: Dec 8|Categories: Biology WAEC| 0 comments A. carbon dioxide B. chlorofluorocarbon C. methane D. oxygen Correct Answer: Option D D. oxygen Users Also Read These:Which of the following gases is alkaline?Gases are best transported?A form of carbon used for absorbing poisonous gases…In a mixture of gases which do not react chemically…Which of the following gases is light than air?SEE ALSO The scarcity of food causes a sudden decrease in population size by?