2. Sample Papers
  3. SSC

SSC Sample Paper SSC-CGL TIER - I Sample Test Paper-4

  • question_answer
    Air pollution is caused by -

    A) Insecticides                    

    B) Sewage

    C) Smoke  

    D)        Loud speakers

    Correct Answer: C

    Solution :

    Air pollution is caused by smoke. It leads to contamination of air. Air pollution is very harmful to all living beings.


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