Question

what do you mean by by

Answer 1

Answer:

By is a preposition which creates some relationship with someone who does one work.

Explanation:

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Answer 2

Answer:

PLEASE MARK AS BRAINLIEST

Explanation:

identifying the agent performing an action.                                                             indicating the means of achieving something.                                                                  indicating the amount or size of a margin.                                                           indicating a deadline or the end of a particular time period.