What Is the Chief Mass Wasting Concern Associated with Permafrost

question 112

Multiple Choice

What is the chief mass wasting concern associated with permafrost?

• A)Debris flows of ice and soils occur frequently.
• B)Frozen soils fail and slide like fractured bedrock.
• C)Ice in the frozen soils is low density and low strength, failing by fracture under any applied load.
• D)Manmade structures tip, sag, and slide when the permafrost melts because of insulation or heating associated with the structures.