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Papers On Earth & Physical Sciences
Page 23 of 30
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The Benefits of Integrated Pest Management
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5 pages. The purpose of integrated pest management is to utilize the management of destruction by pests to crops and other agriculture with as little damage to the environment as possible. By using a system of integration we can cut down on the harmful chemicals and poisons that often harm the ecological balance. Bibliography lists 3 sources.
Filename: JGAipest.rtf
The Benefits of Using Fluorite in Jewelry Making
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This 3 page paper discusses the mineral fluorite and its use in making jewelry. Bibliography lists 2 sources.
Filename: HVFlrite.rtf
The Big Bang Theory
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This 3 page paper discusses the Big Bang Theory that explains the beginning of the universe. Bibliography lists 5 sources.
Filename: HVBigBng.rtf
The Bioaccumulation of Toxins in the Canadian Arctic
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This is an 8 page paper discussing the bioaccumulation of toxins in the Canadian Arctic. Presence of persistent organic pollutants (POPs) which include pesticides, industrial compounds, and combustion by-products are one of the major environmental and health concerns within the Canadian Arctic regions today. Measurement of POP bioconcentration or bioaccumulation levels within the Arctic have determined that the toxic contaminants primarily do not originate within the Arctic and therefore are transported there through air or water currents or migratory animals. The contaminants are considered persistent because they are able to exist for a great length of time and can tolerate many conditions. POPs are also lipophilic in which they are concentrated in the fats of animals. Because of this, bioaccumulation levels are higher in those animals which are higher on the food chain such as humans and polar bears as the contaminants get passed on through the digestion of the fat of animals with POPs in their system and makes them an extreme health hazard.
Bibliography lists 9 sources.
Filename: TJtoxic1.rtf
The C.R.E.S.T. Warning System
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This 5 page paper discusses the C.R.E.S.T. early warning system for tsunamis and earthquakes. Bibliography lists 3 sources.
Filename: HVTsunam.rtf
The Cumberland Gap
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This 4 page report discusses the formation
and discovery of the Cumberland Gap. Near the point where
Virginia, Kentucky, and Tennessee meet, a natural passage, almost
20 miles long and 1.7 miles wide, was formed through the
Cumberland Mountains, part of the southwestern division of the
Appalachian Mountain system. Once thought to be a wind gap, the
gap was actually formed by the erosive action of a stream that
once flowed southward from present-day Middlesboro to join the
Powell River. Bibliography lists 5 sources.
Filename: BWcumber.wps
The Detection of Planets Using Microlensing
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Microlensing has been described as the most suitable earthbound tool for detecting planets of low mass in distant galaxies by observing the effect their gravity has on the light of nearby stars. This 5 page paper considers the astronomical tool, how it works, some of the potential problems and the results it has yielded. The bibliography cites 11 sources.
Filename: TEmiclen.rtf
The Ecological Regions of Texas
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7 pages. Texas has eleven distinct ecological regions that are described in this paper. Scientific evidence shows that global warming is indeed occurring because of human activities. This paper shows the relationship between the global warming and Texas' ecological regions, and how they would be affected if a 10-degree increase in global warming were to occur. Bibliography lists 12 sources.
Filename: JGAtxeco.rtf
The Effect of Salt on Boiling Water
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A Literature Review: 5 pages. The effect of salt on boiling water is an interesting phenomenon. This literature review describes five articles that deal with this subject and give various fact and figures regarding salt and boiling water as well as explanations regarding the reason we have two types of temperature measurements, Celsius and Fahrenheit. Bibliography lists 5 sources.
Filename: JGAsalts.rtf
The Effects of the 1997-98 El Nino on Coral Reefs: Bleaching, Sea Surface Temperatures and Other Factors
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This is a 9 page paper discussing the effects of El Nino on the world�s coral reefs in addition to other factors. Excessive and sudden high sea water temperatures, El Nino, have a devastating effect on the coral reefs in over 100 countries around the world. High sea surface temperatures cause a disruption of enzymes in the coral�s zooxanthellae which then create toxic byproducts which kill the living coral resulting in a whitening or bleaching effect. Coral bleaching has been used in the last decade to study the changes in marine ecosystems using methods which include a combination of marine and satellite imagery efforts. The El Nino of 1997-98 was particularly destructive to the coral reefs as over 16 percent were instantly bleached in that year. In addition to the effects of sea temperatures rising, El Nino and human environmental factors, over 27 percent of the world�s coral reefs have been severely damaged. While it has been found that 30 percent may be recovering from the 1997-98 El Nino disaster, some reefs found in the Caribbean have shown no signs of recovery since 1998.
Bibliography lists 14 sources.
Filename: TJelnin1.rtf
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