alleryWinnowing works because grain and chaff differ in which property?
AColour
BWeight
CTaste
DSolubility
Answer & Solution
Correct answer: B. Weight
1. Recall the idea: Heavier grains fall back down while lighter chaff is blown away, so weight differs.
2. The correct choice is: Weight.
3. The other options describe different methods or properties and do not fit this fact.
_Source: Wikipedia, Winnowing_
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