ECU BIOL 1060 - Exam 4 Study Guide (8 pages)

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Exam 4 Study Guide



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Exam 4 Study Guide

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BIOL 1060 study guide for unit 4 test! Review on all chapters for the upcoming test!


Pages:
8
Type:
Study Guide
School:
East Carolina University
Course:
Biol 1060 - Environmental Biology
Environmental Biology Documents

Unformatted text preview:

BIOL 1060 1st Edition Exam 4 Study Guide Air pollution primary and secondary Primary air pollutants Chemicals or particles directly released in air Secondary air pollutants Chemicals and particles that are formed by reaction of other chemicals or aerosols in the atmosphere Ozone O3 Photochemical Secondary pollutants facilitated by sunlight Primary air pollutants are chemicals or particles that are directly emitted from identifiable sources The elemental mercury released by combustion and volcanic eruptions is an example of a primary air pollutant Other primary pollutants include the carbon monoxide and sulfur dioxide that are released when fossil fuels burn and the chlorofluorocarbons CFCs that are released from various industrial processes Secondary air pollutants are chemicals or particles that are produced in the atmosphere as a result of reactions among chemicals or aerosols The ozone O3 that accumulates in city air during the daytime is a secondary pollutant Secondary pollutants whose formation is facilitated by sunlight are called photochemicals or photochemical aerosols Types of pollutants that harm human health Pollution in troposphere Three types with greatest impact on humans ecosystems Acid deposition Acid rain snow fog Heavy metal pollution Mercury lead from fossil fuels Smog Industrial photochemical Indoor air pollution Indoor air pollution Combustion by products Carbon monoxide nitrogen and sulfur oxides VOCs particulate matter BIOL 1060 1st Edition Indoor burning Secondhand smoke Indoor air pollution in the developing world Comes from burning wood charcoal dung crop wastes Homes have little to no ventilation Fuel burning pollution causes an estimated 1 6 million deaths per year Soot and carbon monoxide Indoor Pollution Construction materials Emit many volatile organic compounds VOCs Paints adhesives synthetic fabrics wood preservatives Asbestos Fibrous material for heat fire proofing Breathing fibers leads to lung disease cancer Banned in 1973 Many



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