alleryA well-built igloo can bear whose weight on its roof?
AOnly a small bird
BA loaded truck
CNothing at all
DA standing person
Answer & Solution
Correct answer: D. A standing person
1. Blocks lean on each other in a dome.
2. A correctly built igloo is strong without extra supports.
3. It can carry a standing person, though not a truck.
_Source: Wikipedia, Igloo, Building methods_
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