what is winnowing?why winowing is important?what are the uses of winnowing

Winnowing is the process of separati on of the heavier components from the lighter components of a mixture by wind or by blowing air.

It is generally used by farmers to separate the lighter impurities such as husk particles from the heavier grains.

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Winnowing is the method of filteration. It is used to separate wheat and harmful particles.winnowing is important because if we do not filter wheat,the harmful paticles come with flour which we eat by making chapati (roti).

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