North Africa, region of Africa comprising the modern countries of Morocco, Algeria, Tunisia, and Libya. North AfricaEncyclopÃ¦dia Britannica, Inc.The geographic entity North Africa has no single accepted definition.
A Stressor is anything (physical or psychological) that produces stress (negative or positive) is considered a stressor.
Stress is a physical, mental and emotional response to a challenging event â not the event itself. Often referred to as the fight-or-flight response, the stress response occurs automatically when you feel threatened.