Multiple Choice
A roof made of what kind of material collapses to form a cover subsidence sinkhole?
A) sandy and permeable sediment
B) evaporate deposits of salt and gypsum
C) solid limestone with a few fractures
D) porous limestone with lots of fractures
E) swelling soil
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Caves and caverns most commonly develop in:<br>A)
Q4: What is bad about swelling soils?
Q5: What type of ground settling process is
Q6: Other than limestone,what other types of rocks
Q7: How can you recognize the presence of
Q9: Discuss the four causes of land subsidence
Q10: How would you recognize a karst landscape?<br>A)
Q11: What are two main mechanisms of ground
Q12: What causes swelling soils to swell?<br>A) When
Q13: Venice,Italy,is noted for numerous water canals instead