A) Caving B) Geology C) Speleogenesis D) Excavation
A) Basalt B) Granite C) Limestone D) Sandstone
A) Ceiling B) Entrance C) Walls D) Floor
A) Umbrella B) Swimsuit C) Headlamp D) Sunglasses
A) Sơn Đoòng Cave B) Waitomo Glowworm Caves C) Mammoth Cave D) Carlsbad Caverns
A) Oxidation B) Fermentation C) Luciferin-luciferase reaction D) Photosynthesis
A) New York B) Kentucky C) Tennessee D) California
A) Cavingology B) Geology C) Rockology D) Speleology
A) Drapery B) Chandelier C) Flowstone D) Icicles |