1st Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which of these contain air? 1.                        2. 3.                  4.

    A) Only 4              

    B) 2 and 3         

    C) 1, 2 and 4

    D) 1, 2, 3 and 4

    Correct Answer: D


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