alleryStart learning →On average, how long does methane last in the atmosphere?
AAbout 12 years
BAbout 2 weeks
CAbout 500 years
DAbout 5000 years
Answer & Solution
Correct answer: A. About 12 years
Methane persists only about 12 years on average, far shorter than carbon dioxide.
Keep practising Ecosystem
Browse all Ecosystem questions for SSC CGL, or explore more General Awareness topics.
Related questions
Higher atmospheric carbon dioxide makes the oceans more of what?Roughly what share of world energy use have fossil fuels accounted for over recent decadesWhy are oxygen levels in the ocean decreasing as it warms?Global sea level is rising mainly because of thermal expansion and what else?Natural greenhouse gases keep Earth's surface about how much warmer?Greenhouse gases are described as transparent to which radiation, letting it reach the surIn which German city was the Global Framework on Chemicals agreed in September 2023?In the hierarchy of controls, which approach is more desirable than pollution control itse