____________ is used to separate heavier and lighter components of a mixture using wind.
Options:
A .  
Threshing
B .  
Sieving
C .  
Handpicking
D .  
Winnowing
Answer: Option D : D During winnowing the mixture is released from a height. The wind blows away the lighter component while the heavier component falls down. Thus, resulting in the separation of the components of the mixture.
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