What is the difference between the study of civics, current events, and political science

Which of the following statements is not true about regions? a.) regions have fixed boundaries that are determined by the region's inhabitants. b.) a region can be defined by physical characteristics, such as climate, landform, and vegetation. c.) regions can change over time. d.) a region can be defined by human characteristics, such as language, government, and economic activity. e.) the same location can be considered part of multiple regions.

Why is it essential to operationally define the variables in a study?

Where in the united states does roman catholicism dominate? a. southern new england b. southwest c. pacific northwest d. southeast e. a & b only