Final answer:
Emergency plans should be kept simple because they will be easier to memorize and less confusing during crises.
Step-by-step explanation:
Emergency plans should be kept simple because they will be easier to memorize and less confusing during crises. When people are faced with an emergency, they may be under stress or in a panic, so having a simple and easy-to-understand plan can help them remember and follow the necessary steps. Complex plans can be overwhelming and make it harder for people to respond effectively in an emergency situation.