Democracy was developed in which ancient civilization

Which number identifies the guyot? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6

Countries that are neither core nations nor peripheral nations

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?