Which of the following is true about HROs? Group of answer choices HROs are typically decentralized structures, organized according to areas of expertise. HROs are tightly run, hierarchical structures due to the hazardous nature of their operations. During routine operations, HRO employees operate in a decentralized structure, but when confronted with a new threat, team members and leaders defer to the designated authority. During routine operations, HRO employees defer to hierarchical authority, but when confronted with a new threat, team members and leaders defer to the person or group with relevant expertise