Anukruti posted an Question
October 19, 2020 • 01:34 am 30 points
  • IIT JAM
  • Geology (GG)

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    Rahul kumar best-answer

    Answer: (a) 1,2,3 Karst window is a smaller feature generally indicates the surface opening of cave. Natural tunnel can be generated from karst window with successive erosion which can be transformed into natural bridge with subsequent dissolution by groundwater.

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    Sajan sarthak Best Answer

    Sequence is 2,1,3 Karst topography is a landscape formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. Arch/Natural Bridge When a part of the tunnel collapses by creating window. the portion which keeps standing forms an arch.

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