• # question_answer Which of the following pairs of gases is mainly responsible for greenhouse effect? A) Ozone and Ammonia B) Oxygen and Nitrogen C) Nitrogen and Sulphur dioxide D) Carbon dioxide and Methane

 Relative contribution of various greenhouse d total global warming is ? $C{{O}_{2}}=60%$ ? $C{{O}_{4}}=20%$ ? $CFC=14%$ ? ${{N}_{2}}O=6%$ $\Rightarrow$ Therefore $C{{O}_{2}}$and $C{{H}_{4}}$are the major