Answer:
hi !
Explanation:
the answer is Reaction an individual may go through after a loss
External stressors are events and situations that happen to you. Some examples of external stressors include: Major life changes. These changes can be positive, such as a new marriage, a planned pregnancy, a promotion or a new house. Or they can be negative, such as the death of a loved one or a divorce.
Following the rules and any expected etiquette sounds more right than any of the others
A typical mood swing that a teenager can experience is going from happy and having a great day to feeling like the world is crashing down around them. (aka, happy to depressed/angry)