Railways R.R.C. (Delhi) Solved Paper Held on 17-11-2013

  • question_answer
    The gas which is responsible for global warming is?

    A) nitrous oxide                 

    B) nitrogen dioxide

    C) ammonia                      

    D) nitric oxide

    Correct Answer: A


You need to login to perform this action.
You will be redirected in 3 sec spinner