True or false deconstructive forces such as erosion to build up the earth’s surface.

What effect did the lawpassed by parlament have on the .

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?

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?