2. Questions Bank
  3. 8th Class
  4. Science
  5. Pollution of Air and Water

8th Class Science Pollution of Air and Water Question Bank Self Test-18

  • question_answer
    The warming up of the earth's atmosphere due to the trapping of sun's heat rays by green house gasses in the atmosphere is called?

    A)  Environmental pollution

    B)  Light house effect

    C)  Green house effect

    D)  All of these

    E)  None of these

    Correct Answer: C

    Solution :


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