A. Hereditary rulers of a country
Answer:
I think you mean Sociology, but here is a short summary.
Sociology is the study of human behavior and characteristics. There are 7 areas including social organization, sociological, social change, human ecology, population, methods and research, and I think applied sociological. Sociology is important because it helps an individual understand human society and how certain systems work.
That's all I remember, but I hope this helps. Please mark me brainliest.
C. Brakes
As these are important if you need to stop suddenly
