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Question
The given diagram shows the relative contribution of different greenhouse gases to global warming. Answer the following questions.
(iii) Concentration of methane CH4 has tremendously increased since pre-industrial times. Comment.
(iii) Concentration of methane CH4 has tremendously increased since pre-industrial times. Comment.
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Solution
• Concentration of methane (CH4) has tremendously increased since pre-industrial times.
• This increase is predominantly due to agriculture and fossil fuel use.
• Methane is usually produced by the anaerobic bacterial decomposition of vegetable matter under water.
• Activities such as the destructive distillation of bituminous coal in the manufacture of coal gas and coke-oven gas result in the release of methane into the atmosphere.
• Since pre-industrial times, due to increased agriculture and fossil fuel use methane gas production has also increased
• This increase is predominantly due to agriculture and fossil fuel use.
• Methane is usually produced by the anaerobic bacterial decomposition of vegetable matter under water.
• Activities such as the destructive distillation of bituminous coal in the manufacture of coal gas and coke-oven gas result in the release of methane into the atmosphere.
• Since pre-industrial times, due to increased agriculture and fossil fuel use methane gas production has also increased
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