Answer: Postraumatic stress disorder
Explanation: The Postraumatic stress disorder or PTSD is a psychological disorder that occurs when someone goes through a traumatic experience, that experience increases levels of stress resulting in a constant state of awareness, nightmares, avoidance of things/situations that could possibly trigger memories related to the traumatic experience, invasive and unwanted thoughts that produces anguish.
Answer:
Three out of 50 states are island.
1. St. Thomas
2. St.John
3.St.Croix
Humans or other land animals sleep half unconscious and water animals don't
They both share the same vocabulary unlike spanish