How did seaports affect culture in the surrounding area (include a few examples)

The process of rocks breaking down and becoming other rocks

Who was the macedonian conqueror of greece and builder of an empire?

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?