The correct answers to this question are Human Nature, the existence of society, purposes and goals of knowledge. Sociology is a study of a society. This study focuses on relationship patterns, patterns in how people interact socially, and everyday life. It is a social science. Some elements can be studied in high school, but the main focus would be studied in college.
There are many elements to sociology that can be studied including sexuality, law, and religion. Sociology is a part of many polls as well. An example is during politicla elections. Politicians try to reach every demographic possible and will use themes from sociology to poll voters all across America.