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Discussion :: World Environment and Ecology

  1. Which of the following is an important Green house Gas?

    2. A.

     Carbon Dioxide
    B.

     Chlorofluorocarbon
    C.

     Carbon Monoxide
    D.

     Freon

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    Answer : Option A

    Explanation :

    Global warming is caused by the emission of greenhouse gases . 72% of the totally emitted greenhouse gases is carbon dioxide (CO2), 18% Methane and 9% Nitrous oxide (NOx). Carbon dioxide emissions therefore are the most important cause of global warming. CO2 is inevitably created by burning fuels like e.g. oil, natural gas, diesel, organic-diesel, petrol, organic-petrol, ethanol. The emissions of CO2 have been dramatically increased within the last 50 years and are still increasing by almost 3% each year

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