निम्नलिखित में से कौन सी गैस एक प्रमुख ग्रीनहाउस गैस नहीं मानी जाती 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?