ROLE OF YOUTH IN OZONE LAYER PROTECTION Ozone layer plays a vital role in protecting animals‚ human beings and plants from ultraviolet radiation. Ozone layer is destroyed by a group of manufactured or human made chemicals such as chlorine bromine. These chemicals are called "ozone-depleting substances". Ozone layer is destroyed by some natural’s ways and some humane made activities. A single molecule of chlorine can break apart thousands of molecules of ozone. Chlorofluorocarbons the most widely
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Cambrian period 543-490 million years Introduction The Cambrian Period marks the beginning of the Paleozoic Era. This period gets its name from a place in Wales where the first examples of this type of ancient life was found. The period lasted for nearly 53 million years‚ from about 543 million years ago until 490 million years ago. The Cambrian Period marks an important point in the history of life on earth; it is the time when most of the major groups
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that I looked at was titled The Meaning of Fossils‚ Episodes in the History of Palaeontology by M. Rudwick (September 6-11‚ 2012). The motivation for this paper seemed to start with wanting to explain the finding of certain fossils in specific locations‚ along with the differences that seemed to be found in various sedimentary layers. The first question that seemed to be asked in the article was‚ “Fossils were part of the natural world‚ but what were they?” This drew a lot of controversy‚ which
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During the Late Antique period of the Roman Empire‚ Christianity was able to flourish. Integrating itself within the government‚ and with the rule of the emperors themselves‚ allowed the religion to spread quickly throughout society and to be given large amounts of authority. In addition‚ debates regarding different doctrines helped to create a relationship between orthodoxy and the government. These changes can be seen in how Christianity saw shifts in how it interacted with the empire both in regards
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When learning about the Native American experience during the U.S. colonial period‚ several elements and details have stood out to me‚ whether it be land encroachment‚ disease impact‚ or religious and cultural conflicts. However‚ the two topics regarding the Native American experience during this period seem to be reoccurring themes: war and trade. I find that it is more important to learn about Native Americans and war as opposed to Native Americans and trade. While trade did play a crucial role
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Rational for Choosing the Eizayaga Layers Method Dr Eizayaga‚ an Argentinean homeopath‚ developed a method to treat chronic cases (Watson 2004). He believed that patients have separate levels of disease‚ which need separate prescriptions. In most chronic cases‚ there will have been long-term use of drugs to suppress the specific pathology and symptoms (Kramer 2006). This means that the true picture of the disease may be obscured and toxicity in the system could also be causing side effects
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The Burning of Fossil Fuels GS104-Intro to Environmental Science Steven Wimberly February 05‚ 2013 Fossil fuels are a very important part of our society today. Natural gas‚ Coal‚ and oil are the world’s primary and most important source of energy. “90% of the energy we use in this country [USA] comes from fossil fuels.” (http://www.ucsusa.org) Unfortunately‚ there are costs of using these fossil fuels to run our society. Some costs are obvious such as the cost of labor‚ equipment and supplies
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just Caesar) For what is your person most known? Why do you think he is best known for this? Crassus is known for part of the first triumvirate and as a military general. Crassus is best known for the first triumvirate because he was the one that had money in the first Triumvirate. How did your person attain power in Rome? Crassus attained power in Rome by joining Caesar and Pompey in the first Triumvirate and also by becoming a famous military general. 3. What were three important events
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paleontologist‚ now you can. Fossils are the oldest rocks on earth. They can be anything that was over 4‚000 years ago. Fossils are what tell us what come before humans a million years ago. Do you ever stop and think there might be a T. Rex under your house. Well fossils preserved remains of organisms. Fossils can be over 4‚000 or a million years old. Usual the preserves are of animals. Fossils arranged from the size of a mouse to a ten story building. This is how all those fossils are made. The dead animal
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into oxygen. Ozone depletion can also be caused by supersonic jet exhausts. They liberate NO which reacts with 03 to form N02 and 02 The area on the earth falling under the ozone hole is unprotected from the destructive UV-radiations‚ during the ozone whole period. Even with 03 depletion‚ the global rates of UV-flux is on the increase as we are receiving more UV-radiations on the earth’s surface now than before. These radiations can cause damage to human health‚ ecosystems and to the global climate
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