The correct answer is C. Establishes the overall authority, roles, and functions performed during incidents.
Step-by-step explanation:
Emergency operations plans are documents that officially define the response to emergency or important incidents such as fires, floodings, attacks, among others. These plans are quite specific and due to this, they establish supplies, roles, functions, and those involved in the response. Moreover, emergency operation plans are used by organizations to have an appropriate management of emergency and similar situations. According to this, the option that best describes this concept is C.