The answer would be the prediction for the given experiment of fish.
The question is incomplete and the question is like the fish will die or not.
And anything about the living being we say whether die or not, he/she will or not, or even talking about the weather this all comes under the prediction.
We can only predict the possible terms about the living beings or nature by seeing their present ability or conditions. It all depends on the nature, environment, culture etc.
As a scientist or a chemist , they can easily predict the outcomes of the several experiments.
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