Question

Define the following:-
(a) Handpicking
(b) Winnowing

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Please write it's brief description.
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Answer 1

Answer:

(a) The process used to separate slightly larger particles from a mixture by hand is called handpicking. For example: Stone pieces can be separated from wheat or rice by handpicking.

Winnowing is an agricultural method for separating grain from the chaff. It is also used to remove hay and chaff or other pests from stored grain. ... In the simplest form, it involves throwing the mixture into the air so that the wind blows away the lighter chaff. The heavier grains fall back down for recovery.

Explanation:

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