All maps a lot more than they include. The decisions about what to
include and not include introduce
A. exclude; accuracy
B. compress; information density
C. exclude; bias
D. distort; information density

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.