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