निम्नलिखित में से कौन सी कृषि गतिविधि भारत में मानवजनित मीथेन उत्सर्जन का एक प्रमुख स्रोत है?

Which synthetic greenhouse gas, primarily used for electrical insulation and arc quenching in high-voltage switchgear, possesses the highest Global Warming Potential (GWP) among gases evaluated by the IPCC?

Which specific greenhouse gas is characterized by its dual role as a potent warming agent with nearly 265-298 times the Global Warming Potential (GWP) of CO2 and as a major contributor to stratospheric ozone depletion?