There is a growing concern about the release of a particular gas into the atmosphere form the permafrost of Arctic region. Which one of the following is that gas?

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Q: 36 (IES/2016)
There is a growing concern about the release of a particular gas into the atmosphere form the permafrost of Arctic region.
Which one of the following is that gas?

question_subject: 

Science

question_exam: 

IES

stats: 

0,120,70,50,5,120,15

keywords: 

{'methane': [0, 0, 0, 5], 'particular gas': [0, 0, 0, 1], 'carbon monoxide': [3, 0, 1, 1], 'atmosphere': [1, 1, 4, 7], 'arctic region': [0, 0, 0, 3], 'sulfur dioxide': [0, 0, 0, 2], 'gas': [9, 1, 9, 27], 'permafrost': [0, 0, 0, 1]}

The correct answer is option 3, which is methane. Methane is a greenhouse gas that is released from the permafrost in the Arctic region. Permafrost is a layer of permanently frozen soil, and as the temperature in the Arctic region increases due to climate change, the permafrost starts to thaw. This process of thawing releases methane that has been trapped in the frozen soil. Methane is an extremely potent greenhouse gas, which means it has a much greater warming effect compared to carbon dioxide. It contributes significantly to global warming and climate change. Methane emissions from the Arctic region are of great concern because they have the potential to accelerate climate change. It is important to address the issue of methane release from the permafrost to mitigate the impacts of climate change.

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