True or false People used the Tigris and Euphrates for drinking, cleaning, crops and transportation.

When zhang qin went to explore west, he brought back stories of

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?

As an educator in centre rather than in a home what quiet activities could you provide for children you didn't want to sleep