How can we collaborate the Peace and harmony at once. write any three words

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?

6) why do you think the battle of concord was important of the patriot soldiers?

Hurricane katrina is arguably an effect : a. an increase of living creatures and crowded habitats b. environmentalism c. global climate change d. unforseen factors