What makes someone Self-Centered? And what makes someone Depressed?

(I really need to know this, cause my Adopted sister is Self-centered)

In a social situation, an american may display anger outwardly by shouting or banging on a table, but a japanese person may not show anger outwardly at all and will remain calm. this is an example of:

Although the monsoons may bring severe storm, they are considered necessary in India. Why?

What was the importance of the salem witch trials?

The statement below is from Article II of the U. S. Constitution. The President, Vice President and all civil Officers of the United States, shall be removed from Office on Impeachment for, and Conviction of, Treason, Bribery, or other high Crimes

What resulted from the loss in value of the continental

Habea coropus gruarantees wich right

What 2 major difficulties did the pilgrams face after landing at plymouth

What is Canada's main source of energy A. hydroelectric B. nuclear C. solar D. wind

Which country is Mexicos most valued trade partner for these minerals. (gold, copper, oil, coal, iron, lead, natural gas, silver and zinc)

Why was the revenue needed