Lately, 5-year-old liam has been acting strangely. he clings to his mother and expresses jealous feelings towards his father, almost as if his father is a rival for his mother's love. sigmund freud would suggest that liam is experiencing:

Why do governments supply public goods and services instead of selling them to those people who use them

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?

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above