What will happen to methane levels in the atmosphere at 60°N60°N to 75°N75°N latitude from 2018 to 2027 if the trend from 2011 to 2017 continues?AMethane levels in the atmosphere will increase because of increased growth of producers at latitudes greater than 60°N60°N.BMethane levels in the atmosphere will increase because melting or thawing permafrost will lead to an increase in the amount of organic matter that will decompose.CMethane levels in the atmosphere will decrease because melting sea ice will increase transportation in the ocean by ships at latitudes greater than 60°N60°N.DMethane levels in the atmosphere will decrease because oil and gas exploration will increase as permafrost continues to melt or thaw.

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