Answer:
D. Help us identify and apply agreed-upon practices
Step-by-step explanation:
Emergency management principles refer to accepted principles and best practices that were established to be able to make good decisions and have an effective use of the resources to decrease vulnerabiliy to dangers or handle emergencies. Also, organizations and the government are using this because it allows to have a common structure and terminology that have been agreed.
According to this, emergency management principles help us identify and apply agreed-upon practices.