Chapter 5 Air Pollution Air Pollution. Air and Water Resources Chapter 5 Air Pollution.
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Post on 18-Jan-2016
<ul><li><p>Chapter 5 Air Pollution</p></li><li><p>Air and Water ResourcesChapter 5Air Pollution</p></li><li><p>Guiding QuestionsWhat is air pollution and how is it dangerous?How does Photochemical smog form?How does the ozone layer protect people?Give three examples of indoor air pollutants and list their sources.What is the greenhouse effect and how does it help us?Why is global warming dangerous?</p></li><li><p>Main IdeasAir pollution is a change to the atmosphere that has harmful effects . Substances that cause pollution are called pollutants. </p></li><li><p>Main IdeasPhotochemical smog is a thick brownish haze formed when certain gases in the air react with sunlight.The major sources of photochemical smog are the gases emitted by motor vehicles</p></li><li><p>Main IdeasSources of indoor air pollution include smoke, dust, pet hair, and asbestos. Two dangerous pollutants that are very difficult to detect are carbon monoxide and radon.</p></li><li><p>Main IdeasThe ozone layer is a layer of the upper atmosphere about 30 kilometers above Earths surface. Yet even the small amount of ozone in the ozone layer protects people from the effects of too much ultraviolet radiation.Ozone is the major, toxic chemical found in smogGases containing CFC (chlorofluorocarbons) create a hold in the ozone layer. Why is this bad? </p></li><li><p>Main IdeasA temperature inversion is when a layer of warm air prevents the rising air from escaping. The polluted air is trapped and held close to Earths surface. The smog becomes more concentrated and dangerous. </p></li><li><p>Main IdeasPrecipitation in an acidic form is called acid rain. It is produced by heavy pollution in the air. </p></li><li><p>Main IdeasGases in the Earths atmosphere such as water vapor and carbon dioxide prevent heat from escaping back into space. This is called the greenhouse effect.</p></li><li><p>Main IdeasGlobal warming is the theory that predicts that carbon dioxide will cause the average temperature to continue to rise. What problems could this cause. </p></li></ul>
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