Read through this resource on pollution. Think about how your day-to-day activities might contribute to the pollution of various areas of the environment. For each type of pollution discussed, fill in the graphic organizer with answers to the following questions: What are the main sources of this type of pollution?
What are the effects on the environment?
What health impacts does this type of pollution have on humans?
What can the government do to reduce this pollution?
What do you think you can you do personally to reduce this pollution?

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The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

Sonar is an application of the doppler effect used by submarines.  this test was on k12.