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Consider the following statements regarding Methane emissions.
  1. Over a 20-year period, methane is less potent at global warming than carbon dioxide.
  2. Methane is one of the primary contributors to the formation of ground-level ozone.
  3. Carbon dioxide remains in the atmosphere for much longer than methane.
How many of the above statements is/are correct?
  • a)
    Only one 
  • b)
    Only two 
  • c)
    All three 
  • d)
    None
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements regarding Methane emissions. Over a ...
Statement 1 is incorrect.
  • Methane is one of the main drivers of climate change, responsible for 30 per cent of the warming since preindustrial times, second only to carbon dioxide. Over a 20-year period, methane is 80 times more potent at warming than carbon dioxide, according to a report by the United Nations Environment Programme.
  • It’s also the primary contributor to the formation of ground-level ozone, a colourless and highly irritating gas that forms just above the Earth’s surface.
  • While carbon dioxide remains in the atmosphere for much longer than methane, methane is roughly 25 times more powerful at trapping heat in the atmosphere, and has an important short-term influence on the rate of climate change.
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Consider the following statements regarding Methane emissions. Over a 20-year period, methane is less potent at global warming than carbon dioxide. Methane is one of the primary contributors to the formation of ground-level ozone. Carbon dioxide remains in the atmosphere for much longer than methane.How many of the above statements is/are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer?
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