Which technological innovation most contributed to the development of railroads in great britian a.)water wheel b.)steam engine c.)seed drill d.)spinning jenny

Why is corruption not effectively reduced in nepal

Some european explorers sailed west looking for the passage to india

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?