How does human error or oversight change the way humans complete research and other activities?
A
It leads to events like droughts and famine in different regions of the world.B
It leads to beneficial discoveries such as penicillin, which has saved the lives of many people.C
It leads to scientists repeating mistakes in their experiments to make sure that they were wrong.D
It leads to accidents like the Challenger explosion, which changed the way space shuttles are built.