How do people live in igloos? Do they feel cold inside?
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Since all the cool air inside the igloo goes to the bottom part and remains there, the upper levels stay warm. A small hole at the top also prevents the igloo from storing too much smoke. By keeping the shelter insulated, the heat from the inhabitants and the fire does not escape easily.
Igloos are warm because snow insulates. Also, the dome shape offers little resistance to the wind. Inside an igloo, the temperature is usually around 32 degrees Celsius, rarely getting much colder with people inside. Temperatures can easily be raised by using candles or by having more people around.
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