alleryKnijnik studied Brazilian farmers who grew which crop?
ABlack tea
BSugar cane
CCotton
DWheat
Answer & Solution
Correct answer: B. Sugar cane
1. Knijnik's 1993 study looked at Brazilian sugar cane farmers.
2. It showed they could be politically and economically armed with mathematics knowledge.
3. Tea, cotton and wheat are not named.
_Source: Wikipedia, Ethnomathematics, section Political math_
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