The human error changed the way humans completed research and other activities in that "It leads to beneficial discoveries such as penicillin, which has saved the lives of many people."
> So the correct answer is B) It leads to beneficial discoveries such as penicillin, which has saved the lives of many people.
> It is not A) It leads to events like droughts and famine in different regions of the world. The reason is that human research did not create those extreme conditions in the past.
> It is not C) It leads to scientists repeating mistakes in their experiments to make sure that they were wrong. The reason is that researchers do exactly the opposite. They conduct experiments to discard mistakes until they get them right.
> It is not D) It leads to accidents like the Challenger explosion, which changed the way space shuttles are built. Research can have mistakes but never are aimed to provoke accidents like these. It is part of the researching process to have mistakes until the exériment has been validated many times.
> The Challenger explosion was an accident.
We can conclude that mistakes are part of the research process, but these mistakes are what make researchers reach the final version of the exériement and provide great benefits to humanity.
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