How did catherine the great respond to the peasant uprising during her reign?
a.
she freed them despite what the nobles thought.

b.
she crushed them despite her sympathy.

c.
she passed laws giving peasants private property.

d.
she gave up her position as empress in frustration.

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?