Question

what is mean by Substitution?
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Answer 1

Explanation:

A substitute is someone or something that takes the place of another person or thing. As a verb, to substitute means to make such a switch. Substitute is used in a variety of contexts, but it is perhaps most commonly associated with substitute teachers and players in team sports who replace a player in the game.

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Answer 2

Explanation:

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Substitution :-

The act of substituting or replacing one person or thing with another. : someone or something that is or can be substituted for another.