Cadmium and the Environment
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This 11 page paper provides an overview of cadmium, what it is, where it is found and how it affects the health of human beings. Some animal studies are cited which speculates about additional implications. Practical information is also given on how people can protect themselves from this natural menace. Bibliography lists 9 sources.
Filename: SA144cad.rtf
Essay Title: Cadmium and the Environment

Carlsbad Caverns
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A 6 page paper that presents an overview of the geological and geographical structure of Carlsbad Caverns, New Mexico. This paper recognizes the fragile states of this natural wonder, and presents and overview of the impact of the human element on the natural mineral structures created within the caves. Bibliography lists 3 sources.
Filename: Carlsbad.wps
Essay Title: Carlsbad Caverns

Catastrophism and the Extinction of the Dinosaurs
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An 8 page discussion of the events which resulted in the extinction of the dinosaurs. Suggests that a meteoric impact with the earth set in motion a series of environmental events which ultimately translated into dinosaur extinction. Bibliography lists 10 sources.
Filename: PPdinoC2.wps
Essay Title: Catastrophism and the Extinction of the Dinosaurs

Centrifugal And Coriolis Forces
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A 5 page overview of the two forces and their interaction. Centrifugal force is that fictitious force that imparts a general feeling of weightlessness for astronauts and is also the force by which washing machines extract excess water from wet clothes. The Coriolis effect holds that an object which moves in a straight line above the surface of the Earth (and not parallel to the equator) will appear to curve because the Earth is turning under it. Together, both are important for space travel. Bibliography lists 4 sources.
Filename: Coriolis.wps
Essay Title: Centrifugal And Coriolis Forces

Charles Darwin's Theory of Evolution
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A 10 page consideration of the theory of evolution and our current knowledge regarding the origin of life. Outlines Darwin's theories and the natural history information which led to those theories and provides a brief outline of the chemical basis for the origin of life. Bibliography lists 11 sources.
Filename: PPevolut.rtf
Essay Title: Charles Darwin's Theory of Evolution

Chicago Archaeological Dig
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This 4 page paper discusses a theoretical archaeological dig in Chicago in 3007, and how the archaeologists might date the artifacts they find there. Bibliography lists 6 sources.
Filename: HVChiDig.rtf
Essay Title: Chicago Archaeological Dig

Choosing Organic Foods
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This 5 page paper explores whether or not organic food is actually more nutritious than food produced in traditional ways, and finds that in general, it is not. It has an advantage because it’s not raised using pesticides; however, that is frequently offset by the long distances it is trucked to the consumer. The paper suggests that people who can afford to buy organic (it’s generally 50% more than traditional food) might like to do so because they feel better and believe they are helping the environment. There is some doubt if either is true, but the perception may be enough to bring about a change in reality. Bibliography lists 6 sources.
Filename: HVOrgFud.rtf
Essay Title: Choosing Organic Foods