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Which modern machine harvests, threshes and winnows in the field?

ARotary seed drill
BCombine harvester
CPaddy rice huller
DTractor plough
Answer & Solution
Correct answer: B. Combine harvester
1. Recall the idea: The combine harvester does all three jobs while the grain is still in the field. 2. The correct choice is: Combine harvester. 3. The other options describe different methods or properties and do not fit this fact. _Source: Wikipedia, Threshing_
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