Question:
Which of the following happened at the Pennsylvania Three
Last updated: 6/17/2023
![Which of the following happened at the Pennsylvania Three](https://media.kunduz.com/media/sug-question-candidate/20220614161433992718-4444842.jpg?h=512)
Which of the following happened at the Pennsylvania Three Mile Island Nuclear Plant in 1979 1 Chain reaction took place due to mechanical and human error II There was a partial meltdown of a nuclear reactor core III Radioactive gas released into the atmosphere OI only Oll only