alleryThe roof of the house was made strong using thick:
ATwig bundles
BTree trunks
CTile sheets
DTin girders
Answer & Solution
Correct answer: B. Tree trunks
1. The roof had to bear snow and cold.
2. Thick tree trunks were used to make the roof strong.
3. So the correct answer is tree trunks.
_Source: syllabus Environmental Studies, 'Looking Around', Ch 13 'A Shelter so High!'_
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