When an incident occurs or threatens, local emergency personnel manage response using NIMS principles and ICS. If the incident is or becomes large or complex, what happens?

The correct answer is : Local EOC's activate.

Explanation:

EOC stands for the emergency operations centers, it is a local emergency planning or command which is based on helping during emergency situations or incidents as it is a essential part of the civil defense system of the United states.

During such emergency incident or threat NIMS and ICS activates the local EOC to support the incident commander by emergency equipment's, procedures, services and communications.

Thus, the correct answer is : Local EOC's activate.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.