Global warming is primarily due to the increase in atmospheric concentration of:

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The enhanced greenhouse effect causing global warming is mainly due to rising CO₂ levels from fossil fuel combustion, deforestation, and industrial processes. Other GHGs like CH₄, N₂O, CFCs also contribute. Oxygen and nitrogen are not greenhouse gases. Argon is noble gas, inert. The atmospheric CO₂ has increased from ~280 ppm (pre-industrial) to over 420 ppm. This leads to climate change, sea level rise, and extreme weather.

Global warming is primarily due to the increase in atmospheric concentration of: MCQ with Answer and Explanation

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