Ancient Greeks believed imbalances in ______________________…

Ancient Greeks believed imbalances in _________________________ caused abnormality, while people living during the Middle Ages believed it was caused by _________________________.  However, present-day psychologists often view psychological disorders from a _________________________ model. 

Other goods are complements for each other, meaning we often…

Other goods are complements for each other, meaning we often use the goods together, because consumption of one good tends to enhance consumption of the other. Examples include breakfast cereal and milk; notebooks and pens or pencils, golf balls and golf clubs. If the price of golf clubs rises, since the quantity demanded of golf clubs falls (because of the law of demand), what change in demand would you expect for a complement good like golf balls?