Why is it important to conduct more than one trial during a scientific investigation?

With the chance there was uncontrolled variables, it is best to conduct multiple trials during one's investigation.

It is imperative to test various trials of a test to guarantee that your outcomes are accurate, reliable, and reproducible. On the off chance that you had mentioned a blunder for your objective facts in the primary trial, they ought to be mentioned clear by your objective facts in your second trial.