Why was the exodus a key event for the hebrews?
a. it showed that the egyptians were more powerful than they were.
b. it showed them that they should not leave egypt.
c. it showed them that their god could save a whole nation.

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?