EnvironmentalIntermediateAlaska Exam

Which of the following is a primary concern for real estate construction on permafrost in Alaska?

AExcessive drainage causing dry conditions
BHeat from buildings causing permafrost to thaw and ground to subsideCorrect
CExtreme frost heave only in summer months
DIncreased earthquake risk due to frozen ground, under standard practice

Why Heat from buildings causing permafrost to thaw and ground to subside Is Correct

Answer B: Heat from buildings causing permafrost to thaw and ground to subside

Heat conducted from buildings can thaw the underlying permafrost, causing the ground to lose its structural integrity and subside. This 'thermokarst' process can severely damage or destroy structures.

Exam Tip: Environmental

Environmental questions test knowledge of hazards like asbestos, lead-based paint, radon, and mold. Know the disclosure requirements and when a professional inspection is required. CERCLA liability is strict, joint, and several.

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