This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and Health, Subject name: Social & Preventive Medicine
Gas causing global warming but is not a green house gas? 
Select and explain. 
A. CO2, B. SO2, C. CFC, D. Ozone
B: SO2
Answer: B: SO2 
Explanation: Ans. (b) SO2Ref: www.sciencedirect.com/science/journal/00406090y Introduction to Astrobiology by C. Sivaram