Sept of conversation of environment during this pandemic. short paragraph​

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?

Which important event brought about the first peacetime draft in the united states? a. the vietnam war b. the civil war c. world war ii d. world war i

These two countries developed a strong trading relationship during the time of the renaissance. name them?