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  3. 10th Class
  4. Social Science
  5. Manufacturing Industries

10th Class Social Science Manufacturing Industries Question Bank Multipal Choice Question - Manufacturing Industries

  • question_answer
    Air pollution is caused because of the high proportion of undesirable gases such as:

    A)  methane             

    B)        hydrogen

    C)  sulphur dioxide   

    D)      carbon

    Correct Answer: C

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