Is it true that winnowing is one of the method by which chaff can be separated from grains?

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True

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answer is A.

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Detailed Solution

The above statement is true.
The separation of grain from the chaff is an essential process of harvesting. The separation can be done through various methods like handpicking, Sieving, Threshing etc. The primary purpose is to remove impurities from the grains and to get useful products. Winnowing is the process by which the heavier component of the mixture is separated from the lighter component by the action of air or wind. Winnowing is one of the preferred methods as it doesn’t require machines for its function. Moreover, it is completely based on human activity, takes less time to process, and is very cheap.

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