How does permafrost affect the way homes are built?
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Buildings that are heated from the inside give off heat. The heat can thaw the permafrost underneath the building. Once the permafrost thaws, it sinks, damaging the building it supports (Figure 3). ... They put the building on top of a steel frame, a few feet above the ground, so cold air can flow under the house.
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Answer:The builders stand the buildings on pillars which prevent the heat-flow from the buildings penetrating the frozen ground below and causing it to thaw. Water, sewage, gas pipes,and electricity and communication cables are also installed above the ground
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