Which of the following gas contributes the maximum to the phenomena of global warming?1). Methane2). Chlorofluorocarbon (CFC)3). Nitrogen dioxide4). Carbon dioxide

Which of the following gas contributes the maximum to the phenomena of

1.	Which of the following gas contributes the maximum to the phenomena of global warming?1). Methane2). Chlorofluorocarbon (CFC)3). Nitrogen dioxide4). Carbon dioxide
Answer» is OPTION 4 is the CORRECT ANSWER?? am i RIGHT?