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High Blood Pressure Systemic Lupus
1,183 wordsLupus is a chronic, autoimmune disease which causes inflammation of various parts of the body, especially the skin, joints, blood and kidneys. The body's immune system normally makes proteins called antibodies to protect the body against viruses, bacteria and other foreign materials. These foreign materials are called ANTIGENS. In an autoimmune disorder such as Lupus, the immune system loses its ability to tell the difference between foreign substances (antigens) and its own cells and tissues. T...
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Piece Of Paper Oxygen Molecules
1,524 wordsIn 1839, a German scientist Christian Schonbein was a professor of chemistry at the University of Basel in Switzerland. In addition to his teaching duties, he regularly performed secret experiments in hopes of finding out which substances make up the Earth's atmosphere. So Schonbein combined and separated a number of liquids and gases. During one of these experiments, Schonbein passed an electric charge thought a glass beaker of water, be noticed a very familiar odor. He first thought it was the...
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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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Harmful Effects Skin Cancer
1,653 wordsSunscreen (1) We are all aware of the effects that sunray's cause to our skin, if it is being exposed to them for too long. It only takes a few minutes of suns radiation being applied to protein in skins cells, to initiate tanning, which is actually the process of protein losing its organic essence. If we stay under the direct sunray's for too long, it will inevitably result in getting sunburn, on our part. In its turn, sunburn often initiates skin cancer. This is why healthcare specialists stro...
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Open Source Software Mac Os
2,331 words... Mac OS X, but a few criticized it as being more difficult and less user-friendly than the original Mac OS. 4. 2 Microsoft Vista has been released in 2007 and it is the first new operating system since Windows XP was introduced in 2001. The long-anticipated system was first made available to businesses only. A consumer version was released later. The new system won generally favorable reviews for its improved graphics, search capabilities, and stronger security protection against viruses. Win...
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Ozone Depletion Ozone Layer
2,469 wordsThe Potential Effects of a Depleted Ozone Layer And God said, let there be light and there was light and then God saw the light, that it was good (Genesis 1: 3 - 4). Undoubtedly, light is good. Without light man could not survive. Light is the ultimate cosmic force in this universe allowing man to progress and flourish. In the form of heat, light from the sun warms the Earth. Light, also, is the single most important factor influencing the growth and development of plants. Photosynthesis, a proc...
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Role In Human Ultraviolet Radiation
1,938 wordsMelanin: Its Influence In Human Evolution Melanin has played a significant role in human evolution. In this paper I will discuss the importance of melanin in its role in the human biological system and how it relates to the natural selection of suitable human life according to geography and environment. Human pigmentation is influenced by hemoglobins within blood vessels in the skin, carotene and melanin's. Melanin, the basis of pigmentation, can be found in the forms of eu melanin and phaeomela...
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Forms Of Life Ozone Depletion
457 wordsThe Ozone Layer Ozone layer depletion slows There is good news about the ozone layer above us. The good news about the ozone layer is not always frequent. On International Ozone Day, the report came in that the ozone levels have decreased above Montreal and other residents of southern Canada. The ozone levels have decreased to a normal level. Normal meaning the levels have dropped from the levels reported in 1980. The ozone layer is an important and fragile part of earth. If we did not have an o...
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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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