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A. Sources of atmospheric methane in Million Tonnes per year- Wet lands 160, Fossil fuel related sources 100 and other 275.
The current atmospheric concentration is 1.774 ppmv. Calculate its residence time.

B. There may be 1014 of methane hydraate in the permafrost below the ocean floors. If 1% of this were to melt per year, explain what would be the increased concentration of methane (ppmv y-1) in the atmosphere. Explain what sinks for methane would play a role in reducing this concentration?

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Chemistry, Academics

Category:- Chemistry
Reference No.:- M91221411

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