1.Explain why software testing in the industry can be very hard 2.In the event of having such a disaster, who should hold the responsibility for its

1.Explain why software testing in the industry can be very hard2.In the event of having such a disaster, who should hold the responsibility for its cause and why?3.How the professional ethics of the development team and the testing team might have helped prevent such a disaster from happening?4 Explain the relationship between testing and reliability.