Gas causing global warming but is not a greenhouse gas?: (A) CO2, (B) SO2, (C) CFC, (D) Ozone
Answer is B. Greenhouse gases are CO2 Methane CFC 12 HCFC 22 Nitrous oxide Tetrafluoromethane SO2 is not a Greenhouse gas but it causes global warming Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 794