In obsessive-compulsive disorder, compulsions persist because they offer relief from obsessions. In operant conditioning terms, compulsions are maintained through: positive punishment. positive reinforcement. negative punishment. negative reinforcement.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"

1. senate

2.there is no diagram

3.education

your answer is "graduates" hope this