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Ozone Depletion Ultraviolet Radiation
624 wordsIf all the ice in Antarctica melted, it would raise the level of the world's oceans by over 200 feet (60 meters). The possibility of this happening in the near term is not seriously considered by scientists, for the Antarctic icecap is currently believed to be in equilibrium. However, meteorologists studying the ramifications of global warming and the greenhouse effect expect there to be a decrease in sea levels in the short term -- a matter of decades -- of about 2 millimeters per year. This wi...
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U S Soldiers Institute Of Medicine
1,542 words... e to Agent Orange and other herbicides used in Vietnam. Studies find that TCDD elicits a diverse spectrum of biological sex, strain, age, and species-specific effects; including carcinogenicity, immuno toxicity, reproductive / developmental toxicity, hepatotoxicity, neurotoxicity, chlorine, and loss of body weight. These effects vary according to the age, sex, species, and strain of the animals involved. To date, the scientific consensus is that TCDD is not genotoxic and that its ability to ...
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Chemical Weapons Mustard Gas
722 wordsNew weaponry and interventions can ultimately decide who will win a war. In World War I there were many new weapons introduced into the battle scene. These new weapons were more efficient in destroying and more powerful which made the death count rise dramatically. The new weaponry in World War I helped contribute to it being one of the bloodiest wars know to man at that time. One key weapon that played a part in eventually bringing the United states into the war was the submarine, also called U...
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Hydrogen Peroxide Wastewater Treatment
965 wordsThere are many reasons why we need to treat our water, and there are also many different ways we can treat our water. Water is very important to our survival. Regulations are set so that our water is healthy for us to drink. Without those regulations there could be things in our water to cause us to be sick. Some problems in parts of the country are heavy metals. One of the best ways to see if you have heavy metals in your water is to have a lab test your water. Turbidity can also be a problem. ...
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H 2 O X 10
1,265 wordsAvogadro's number is the number 6. 0221367 x 10 ^ 23, commonly rounded to just three significant digits: 6. 02 x 10 ^ 23, and is the number of representative particles in a mole. Avogadro's number is commonly used to compute the quantities of substances involved in chemical reactions, called stoichiometry, and is one of the most important and versatile components of modern chemistry. Avogadro's number is named after the Italian physicist Amadeo Avogadro. Avogadro's number first came about when A...
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Methyl Bromide Uv Radiation
627 wordsOzone is a form of oxygen that is a human-made pollutant in the troposphere but a naturally produced, essential component in the stratosphere, which encircles our planet some 6 to 28 miles above the surface. The stratosphere contains a layer of ozone that shields the surface from much of the ultraviolet radiation coming from the sun. If ozone was to disappear from the stratosphere Earth would be uninhabitable for most organisms. The primary cause for this substantial ozone loss is a group of com...
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France And Great Britain Ultraviolet Rays
1,525 words... is so lethal that without the stratosphere ozone layer, the existence of life on earth would be nearly impossible. All living organisms would suffer from too much mutation in the organism that all of its major organs would just stop working; and the organism would die. Until the 1970 s and 1980 s, most people, including scientists, took the ozone layer more or less for granted. They assumed it was one of the earths natural features and that it would always remain the same, This attitude chan...
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Science And Technology Advancement Of Science
833 wordsScience and technology may be partly responsible for many of the problems that face us today. The problems are the advancement of weapons, bombs, biochemical and nuclear weapon, which brought us violence amongst ourselves and others. Another problem is human dependences on technology, such as the internet, computers, cell phones etc. Yet one of the biggest problems is pollution. Three types of pollution that dominate they are water, air and noise pollution. Water is one of the several resources ...
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Reduce The Amount Nitrogen Oxides
1,778 wordsPollution The water pollution is a major environmental issue that US government as well as its citizens are concerned with. The effects of water pollution are varied. They include poisonous drinking water, poisonous food animals (due to these organisms having been exposed to toxins from the environment over their life spans), unbalanced river and lake ecosystems that can no longer support full biological diversity, deforestation from acid rain, and many other effects. These effects are, of cours...
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Ozone Molecules Du Pont
579 wordsThe beginning of the CFC (chlorofluorocarbons) era started in 1928, when CFC were invented by a Du Pont chemist. CFC were best known as freon's and became famous as a safe, nonflammable refrigerant. It s invention became a great triumph when Freon took the place of sulfur dioxide or ammonia which was used as the working liquid in refrigerators. It eventually became widely used in automobile air conditioners and nontoxic propellants in aerosol cans. It s insulating properties also was used for bl...
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Coal Mines Carbon Dioxide
792 wordsMethane by Pamela The molecule, methane, is made up of one carbon and four hydrogen atoms making the compound CH 4. It is the second most important greenhouse gas. One molecule of methane is twenty times more efficient at absorbing infrared radiation than a molecule of carbon dioxide (CO 2). The amount of methane is increasing about 1 % a year, faster than any other greenhouse gas. Recently, the concentration is 1. 7 parts per million (ppm), which is nearly twice of what it was a few hundred of ...
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Native Species Great Lakes
747 wordsInvasion of the Zebra Mussels There has been an incursion into the sovereign territory of the United States of America. The Zebra mussel, an animal much akin to the clam, has colonized nearly every hard surface in the Great Lakes area, and many rivers and streams attached to them. These invaders arrived on ships from England, pumped out through the ballast. Zebra mussels are from a different environment (England), thus they are classified as an exotic species. These pesky animals threaten the en...
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Austria Hungary Stock Exchange
605 wordsIn the begging of the twenty-century a war was raged against the world. Every country fought to honor and defend it country. The Triple Entente, Germany, Austria-Hungary, and Italy versus the Allies, Britain, France, and America in an all out world war. Each county gathered its troops and raised their spirits high in the honor to defend ones nation. Germany was the first. They declared war on France. The French not willing to back down were at war. Germany now on hostile grounds gave Serbia and ...
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Water Level Ph Level
652 wordsHow to Open and Close an Outdoor Pool If you have never opened or closed your outdoor pool before, and you are in any doubt as to your ability to do so, you would be better off calling your local pool center to do the job for you. However, if you are somewhat familiar with pool care and are willing to undertake the work yourself, the following guidelines should be provide adequate information to help you along the way. First, we will begin with opening your outdoor pool. Begin by removing any su...
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Uv Radiation Ozone Depletion
993 wordsOur Radiant Planet- Depletion of the Ozone Layer Ozone is a relatively unstable form of molecular oxygen containing three oxygen atoms produced when upper-atmosphere oxygen molecules are split by ultra violet light. Stratospheric ozone is found in a broad band, extending generally from 15 to 35 km above the earth. Although the ozone layer is surprisingly thin, it acts as a protective shield to the earth, as it filters out most of the harmful solar ultraviolet radiation (in particular UV-B) that ...
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Ozone Molecules Ozone Layer
265 wordsNASA and EU Report Massive Arctic Ozone Loss Scientists from NASA and the European Union blamed the long, cold winter and human-made pollution for one of the largest ozone losses to record. The study was conducted between January and March with the use of NASA? s high-tech ER- 2 plane. This plane is able to reach high altitudes in order to check for ozone depletion. The measurements taken by the ER- 2 concluded that the ozone above the arctic has decreased nearly 60 percent. These measurements w...
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Ozone Layer Ultraviolet Radiation
1,027 wordsOzone is an important molecule in maintaining the homeostasis in the environment. Ozone, the molecule O 3, makes a layer in the stratosphere, situated 10 to 15 kilometers from the earths surface. The dioxide molecule, O 2 and Oxygen atom O, collide with each other result in the formation of Ozone, O 3. In this reaction, the molecule O 3 contains an excess of energy. Once the molecule is formed, it is not stable enough to last long. The energy-rich O 3 molecules discards the excess energy by coll...
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Ultraviolet Rays Uv Rays
633 wordsThe ozone layer shields the earth from most of the harmful radiation and light comming from the sun. The ozone reflects and absorbs the ultraviolet rays that try to come in. Without this kind of protection, all living things will be effected by these UV rays. Skin cancer develops in most living mammals as a cause of an overabundance of the suns ultraviolet rays. The ozone layer is located in the earths stratosphere. The ozone layer is located from about fifteen-to-thirty kilometers above the ear...
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Carbon Dioxide Ozone Layer
1,519 wordsIn environmental science the green house effect is a common term for the role water vapor; carbon dioxide and ozone play in keeping the earths surface warmer than it would normally be. The atmosphere is primarily transparent to infrared radiation from the sun, which is mostly absorbed by the earths surface. The earth being much cooler than the sun, remits radiation most strongly at infrared wavelengths. Water vapor, carbon dioxide and ozone then absorb much of this radiation and remit a large pr...
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Books New York Stratospheric Ozone
1,223 wordsChloroflourocarbons were discovered in the 1920 s by Thomas Midgley, an organic chemist at General Motors Corporation. He was looking for inert, non-toxic, non-flammable compounds with low boiling points that could be used as refrigerants. He found what he was looking for in the form of two compounds: dichlorodifluoromethane (CFC- 12) and trichloromonoflouromethane (CFC- 11). In both compounds, different amounts of chlorine and fluorine are combined with methane, which is a combination of carbon...
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