Question

here is a procedure for separation of substance which of
the following is used for separation method​

Answer 1

Answer:

Winnowing: The process of separating heavier and lighter components of a mixture by wind or by blowing air is called winnowing

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Answer 2

Answer:

down

Explanation:

winnowing the process of separating heavier and ligter components of a mixture by wind or by blowing air is called winnowing