Water disappears underground through what?
  • Choke holes
  • Gulp holes
  • Loop holes
  • Swallow holes
Limestone can be weathered by freeze…?
  • Bake
  • Melt
  • Split
  • Thaw
What is another name for limestone landscapes?
  • Horst
  • Karst
  • Schist
  • Wurst
What do we call a small stream in a limestone area?
  • Beck
  • Ria
  • Tarn
  • Trickle
What process causes calcium carbonate deposits in caverns?
  • Distillation
  • Evaporation
  • Fermentation
  • Hydration
Rainwater reacts with carbon dioxide to form which acid that attacks limestone?
  • Carbonic acid
  • Formic acid
  • Nitric acid
  • Sulphuric acid
Stalactites and stalagmites may join to form what?
  • Branches
  • Columns
  • Spines
  • Trunks
Vertical cracks in limestone have what name?
  • Crevasses
  • Joints
  • Ruptures
  • Vents
What type of stream results from water reappearing above ground?
  • Recalcitrant
  • Rejuvenant
  • Resplendent
  • Resurgent
Cracks in limestone sidewalks are called what?
  • Dykes
  • Grackles
  • Gripes
  • Grykes
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