Given below are some methods of separation. X Winnowing Y-Threshing Z- – McqOptions

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1.	Given below are some methods of separation. X Winnowing Y-Threshing Z- Sieving Which of the following methods of separation does not require air for the process of separation?
A.	Only X
B.	Only Y, Z
C.	Only Z, X
D.	X, Y and Z
Answer» C. Only Z, X

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