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Science & Nature Essays and Term Papers
Pulmonary AgentsSummary
Signs and Symptoms: Eye and airway irritation, dyspnea, chest tightness, and delayed pulmonary edema.
Detection: Odor of newly mown hay or freshly cut grass or corn. There is no military detector for phosgene.
Decontamination: Vapor: fresh air. Liquid: copious water irrigation. ...
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Antibiotic Resistance In BacteriaFor about 50 years, antibiotics have been the answer to many bacterial infections. Antibiotics are chemical substances that are secreted by living things. Doctors prescribed these medicines to cure many diseases. During World War II, it treated one of the biggest killers during wartime - ...
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Psychology - Classical Conditioning Vs. Operant ConditioningClassical conditioning and operant conditioning are different learning methods. The two methods have the word conditioning in common. What is conditioning? Conditioning is the acquisition of specific patterns of behavior in the presence of well-defined stimuli. Both classical and operant ...
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Continental Driftis the theory that the positions of the earth's continents have changed a lot through geologic time. The German meteorologist Alfred Wegener proposed the first comprehensive theory of in 1912, on the basis of the way the continents fit together on the opposing Atlantic coasts and paleontology ...
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Into The Depths Of A Black HoleEveryday we look out upon the night sky, wondering and dreaming of
what lies beyond our planet. The universe that we live in is so diverse
and unique, and it interests us to learn about all the variance that lies
beyond our grasp. Within this marvel of wonders our universe holds a
mystery that ...
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Big BangIt is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: and Steady State. However, through many observational evidences, the theory can best ...
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The Big Bang Theory Vs Biblical ViewsTo begin with, we must first recognize the purpose of this essay. I
intend to address the issue that has boggled the minds of scientists since
the beginning of man. That complex question that has only been proven by
theory. How was the earth created? Up until recently it was taken for
granted by ...
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Life Of Octopus DofleiniIntroduction
This is a research report on octopuses in general, however will focus in
on a particular species of octopus, the North Pacific Giant or octopus dofleini ,
which is a bottom dwelling octopus that lives on coasts of the pacific ocean,
from California to north Japan. This report will ...
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Heroin A Long Dark PathThe use of hard drugs in America is on a steady rise. Heroin is one of the biggest reasons for this. Heroin is one of the most dangerous highly addictive drugs on the black market today. A board member on the National Institute of Health estimated that there are currently about 600,000 heroin ...
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Robert Wright's Article "The Evolution Of Despair"Robert Wright is the science writer for Time Magazine. Because he
writes for this popular magazine, he enjoys the attention of many readers
who look to him to provide them with the latest news from the scientific
community. After reading The Evolution of Despair, an article written by
Wright, I ...
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To What Extent Does Acid Precipitation Affect Annelids??
In order to truly understand acid rain and it's eventual effect on earthworms, it would be best to look at the causes of acid rain. How and why does altered acidity in precipitation have a devastating effect?
Acid rain is charecterized as "Precipitation that has a pH lower than about 5.0" ...
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ACID RAINWhen fossil fuels such as coal, gasoline, and fuel oils are burned, they emit
oxides of sulfur, carbon, and nitrogen into the air. These oxides combine with
moisture in the air to form sulfuric acid, carbonic acid, and nitric acid. When
it rains or snows, these acids are brought to Earth in what ...
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Excessive Alcohol Consumption--its Effects And Social AcceptExcessive Alcohol Consumption—
Its Effects and Social Acceptance
Rumors and old wives’ tales such as stress makes women heavier drinkers, divorce prompts heavy alcohol use, people drive better when they are drinking, and teenagers are the main group of drunk drivers, are being thrown ...
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StarsMagnitudes
The magnitude scale was invented by an ancient Greek astronomer named Hipparchus
in about 150 BC He ranked the he could see in terms of their brightness,
with 1 representing the brightest down to 6 representing the faintest. Modern
astronomy has extended this system to stars brighter ...
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White Tigersare a wonderful species in their own right. They are elegant and graceful, but at the same time are ready to fight for their right to survive. Today, in a world of destruction and growth, these tigers have tough day to day challenges they must face that are steadily growing worse as our society ...
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The Lowell ObservatoryLowell Observatory is located in Flagstaff, Arizona. It was
established in 1894 by Dr. Percival Lowell. Dr. Percival borrowed several
telescopes and managed to collect a small staff and began making
observations of the sky. In 1896, Dr. Percival got a 24-inch Alvan Clark
refracting telescope that ...
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HepatitisTHE PRIORITY OF B VACCINATIONS IN CANADA
The increase in the number of children attending schools in Canada and the potential for transmission of viral infection in that environment is a problem of great size. A virus is defined as "a morbid principle, or a poisonous venom, especially one ...
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Desktop Videoconferencingis gaining acceptance as a key telecommunications technology in the work place all around the world. makes communication far more effective when its impossible for people to meet in person. Not only do people get a feel of what takes place in a face to face meeting but they also get to hear ...
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Hydrologic CycleThe is a constant movement of water above, on, and below the earth's surface. It is a cycle that replenishes ground water supplies. It begins as water vaporizes into the atmosphere from vegetation, soil, lakes, rivers, snowfields and oceans-a process called evapotranspiration. As the water vapor ...
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Cardiovascular DiseaseRisks factors for that can and can not be changed.
The risks factor for have been categorize by the American Heart Association (AHA) as the following: (1) Major risks factors that can not be changed (increasing age, male gender, and heredity). (2) Major risk factors that can be changed ...
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Nuclear Energy: Uranium FissionThousands of years ago human beings learned to make fire. By collecting
and burning wood they were able to warm themselves, cook food, and manufacture
primitive tools. Later, the Egyptians discovered the principal of the sail.
Even more recent was the invention of the water wheel. All of these ...
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Solar Energy - The Energy Of The Future??
About 47 per cent of the energy that the sun releases to the
earth actually reaches the ground. About a third is reflected directly
back into space by the atmosphere. The time in which solar energy is
available, is also the time we least need it least - daytime. Because
the sun's energy ...
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Geothermal EnergyPhysics 009
Professor Arns
The human population is currently using up its fossil fuel supplies at
staggering rates. Before long we will be forced to turn somewhere else for
energy. There are many possibilities such as hydroelectric energy, nuclear
energy, wind energy, solar energy and ...
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Galileo"Whereas spent his last days under house arrest and was formally
condemned by the Church for his scientific views, the elder Darwin was widely
respected by the Anglican Church and was buried at the Westminster Abbey, an
honor reserved for only the most illustrious personages of Great Britain. ...
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Hemp: The Truth About The Earth's Greatest PlantIn a perfect world there would be a product that could serve as a fuel
source, a food source, a paper source, a textile source, and this product would
be easy to produce in any of its forms. Believe it or not such a product does
exist; it is the plant known as hemp. No tree or plant species on ...
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