Volcanoes

Paper Summary:

The paper describes the natural phenomenon of volcanoes and the severe outcomes that can result from a volcanic eruption. The paper describes volcanic eruptions in the past and looks at how scientists have improved the methods and abilities of protecting people. The paper relates that in most cases, scientists can predict when an eruption may occur and the best protection seems to be early warning.

Outline:
Introduction
History and Significance of the Problem
Discussion
Conclusion

From the Paper:

"Volcanic gases are released in the air and through the soil as a result of the Magma which is composed of dissolved gases. The most common gases that are released are water vapor, carbon dioxide and sulfur dioxide. In addition to these gases, volcanoes also release smaller amounts of hydrogen sulfide, carbon monoxide, helium, hydrogen, hydrogen chloride and hydrogen fluoride. The survey explains that of the aforementioned gases the most harmful tend to be are sulfur dioxide, carbon dioxide, and hydrogen fluoride."

Sample of Sources Used:

• Dormant Volcano Erupts near Manila; Hundreds Feared Dead under Lava. New York Times September 29 1965.
• Lahars and Their Effects. United States Geological Survey. 4 April 2007 http://volcanoes.usgs.gov/Hazards/What/Lahars/lahars.html
• Lava Flows. United States Geological Survey. 4 April 2007 http://volcanoes.usgs.gov/Hazards/What/Lava/lavaflow.html
• Pyroclastic Flows and Their Effects. United States Geological Survey. 4 April 2007 http://volcanoes.usgs.gov/Hazards/What/PF/pcflows.html"
• Tephra: Volcanic Rock and Glass Fragments")."

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• Descriptive Essay # 111566 : "Volcanoes"
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• Term Paper # 116123 : "Dangers of U.S. Volcanoes"
• Analytical Essay # 66479 : "Volcanoes"

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