Question

what would have happened before​

Answer 1

What is the question. I am not able to understand. Please specify.

Answer 2

Answer:

The odd feeling that you get when you sense that you have already done something when you know that you are doing it for the first time is actually a scientific phenomenon called Deja vu .

It is a french word which literally  means "already seen ".

For example: you are visiting a country for the fist time and you go to see a famous spot and suddenly you feel that you have been there before, even when you know that you are visiting the spot for the first time

Explanation:

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