A large, steep-sided, circular hill of residual limestone bedrock is known as a ________. 
stalagtite 
doline 
mogote 
sinkhole 
cavern 

The most rapid landscape solution occurs in ________ areas. 
cold 
dry 
humid 
granite 
middle latitude 

Speleothems are associated with the ________ stage of cavern formation. 
initial excavation 
dead 
decoration 
solution 
room 

Old Faithful, in Yellowstone Park, is an example of a fumarole. 
True 
False 

Limestone surfaces are resistant to mechanical weathering processes. 
True 
False 

Mound or terrace build-up is often a side effect of hot springs. 
True 
False 

The flow of underground water is largely unchanneled. 
True 
False 

Pure water is an excellent solvent. 
True 
False 

Sodium is a rock-forming mineral which is very resistant to erosion. 
True 
False 

The angle of repose on the side of a sinkhole is usually 20 to 30 degrees. 
True 
False 

Travertine deposits are relatively porous compared to sinter which is relatively dense. 
True 
False 


The heat emanating from a geyser basin is hundreds of times greater than the heat emanating from a non-geyser area of the same size. 
True 
False 

At the University of Missouri in Columbia, the football stadium is built in a sinkhole. 
True 
False