alleryWhy is a short tunnel built at an igloo entrance?
ATo cut wind and heat loss
BTo store spare snow blocks
CTo let cooking smoke out
DTo grow small plants
Answer & Solution
Correct answer: A. To cut wind and heat loss
1. Opening a door lets in cold wind.
2. A short tunnel at the entrance reduces wind and heat loss.
3. It is not for storage, smoke or plants.
_Source: Wikipedia, Igloo, Building methods_
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