A farmer drops the mixture of wheat and husk from a height. The separation is done by which of the following method?
(a) filtration
(b) threshing
(c) sublimation
(d) winnowing
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Answer:
A farmer drops the mixture of wheat and husk from a height. The separation is done by a method called winnowing.
Explanation:
Winnowing is an ancient method of separating good grains from husk, chaff, hey and pests. It is one of the ancient agricultural methods that has been used still in many parts of the world. It is one of the simplest separation techniques.
The winnowing methods is a process of throwing the grains from a certain height. The light weighted chaffs are blown apart from the good grains by the wind.
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