A) Russia B) Ukraine C) Georgia D) Armenia
A) Voronya Cave B) Alamou Cave C) Chuluut Cave D) Marble Cave
A) 1975 B) 1950 C) 1960 D) 1980
A) Limestone B) Basalt C) Granite D) Sandstone
A) Cathedral Cave B) Lamprechtsofen C) Veryovkina Cave D) Falling Waters Cave
A) National Geographic Society B) The Explorers Club C) World Wildlife Fund D) International Union of Speleology
A) Landslides B) Flooding C) Earthquakes D) Wild animals
A) Archaeology B) Geology C) Caveology D) Speleology |