Which best describes how immigrants have brought social change to Georgia? Check all that apply. They have introduced new cultures.
They have started major fashion trends.
They have started new public schools.
They have introduced new traditions.
They have developed new communities.

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?