Plz help meh Also referred to as an "opioids," this is a classification of drug that affects mood or behavior and is often sold for nonmedical purposes, especially illegal ones.

Example: morphine, codeine, heroin

wot is dis thing

Oppression against people who make less money is called

The social contact theory states that

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?