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.
predictor. n. 1. a person or thing that predicts. 2. (Firearms, Gunnery, Ordnance & Artillery) an instrument, used in conjunction with an anti-aircraft gun, that determines the speed, distance, height, and direction of hostile aircraft.