A) Mount Elbrus Cave B) Krubera Cave C) Morca Cave D) Veryovkina Cave
A) Russia B) Ukraine C) Georgia D) France
A) 2,300 meters B) 2,050 meters C) 1,980 meters D) 2,212 meters
A) Russia B) Abkhazia, Georgia C) Bulgarian Mountains D) Armenia
A) Ice B) Limestone C) Volcanic D) Sea Cave
A) Hang En Cave B) Son Doong Cave C) Phong Nha Cave D) Ailao Mountain Cave
A) It has many stalactites. B) It has its own ecosystem. C) It contains a lake. D) It is completely dark.
A) Waitomo Cave B) Luray Caverns C) Mammoth Cave D) Son Doong Cave
A) Meteorological phenomena B) Astronomical data C) Botanical diversity D) Geological history |