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UPSC Ecology And Environment Environmental Issue And Environmental Pollution Question Bank Environmental Issues

  • question_answer
    Gases commonly referred as greenhouse gases are :
    1. \[C{{H}_{4}}\]           
    2. \[C{{O}_{2}}\]
    3. CFC 
    4. \[N{{H}_{3}}\]
    Which of the above is/are correct?

    A)  1 and 4           

    B)  2 and 3

    C)  1, 2 and 3                    

    D)  All of these

    Correct Answer: C

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