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