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Discussion :: Miscellaneous World Geography

  1. Lava solidifies to form ________.

  2. A.

     Pumice

    B.

     Basalt

    C.

     Marble

    D.

     Sandstone

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    Answer : Option B

    Explanation :

    Lava solidifies to form Basalt. Basalt is an extrusive igneous rock which is formed by rapid cooling of basaltic lava which is exposed near the surface of Earth. Basalt is a fine-grained, hard rock which forms when bits of lava shoot out of volcanoes. It forms when lava reaches the Earth's surface near an active volcano.


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