The graph labeled shows that pollution control methods are having a positive effect in the united states. the proof is trend in this graph, with the percentage drop over this period reaching %.

"i know there may have been concerns that it may be too vague or too costly, or may lead endlessly to litigation. but i want to reassure you right now that my administration and the united states congress have carefully crafted this act. we've all been determined to ensure that it gives flexibility, particularly in terms of the timetable of implementation, and we've been committed to containing the costs that may be incurred. let the shameful wall of exclusion finally come tumbling down." president george h.w. bush, july 26, 1990 the act president bush speaks of was enacted to guarantee equal rights to people of all races. people of all sexes. eliminate people who are homeless. people with disabilities.

Lots of points: economics: the dollar value consists of all of the goods and services sold by of each of the following entities except: a. government b. consumers c. unemployed d. net exports

Ais a group of people living and working under a set of rules and traditions.