Dr. fox studies the causes of depression. in other words, she looks at factors that play a role in the of depression.

Dr. Fox studies the causes of depression. In other words, she looks at factors that play a role in the etiology of depression.

The etiology of a disease or a problem is the study of its causes or its origin. For example, a way of using it would be: "Should I take her to the vet to rule out allergies or other etiology for the itching?"

answer; the correct answer is (d) binge eating followed by compensatory behavior;

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.