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4th Class Science Earth and Universe Question Bank Earth and Universe

  • question_answer
    ______ is an opening on the Earth's surface which releases lava when explodes.

    A)  Volcano                       

    B)  Valley 

    C)  Mountain       

    D)  Ocean             

    Correct Answer: A

    Solution :

    Volcanoes are openings in the Earth's crust that connect interior of Earth to the surface. They act as vents to release the excess pressure of molten lava under the Earth's surface by exploding.


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