radiation and broke down releasing chlorine and bromine into the ozone layer. The ozone layer is the earth’s ultraviolet shield. The chemistry is such that the chlorine and bromine attack the ozone‚ reducing it to ordinary oxygen which as no shielding effect from UV-B. The complex chemical reactions allow the chlorine and bromine to interact again and again with ozone molecules‚ until they eventually leave the ozone layer bonded to some other compound. Since the Montreal Protocol was developed to control
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unforgettable day in American history. It’s a day that marked great change in America‚ a day in which America was greatly wounded. The designated attackers on the World Trade Center were none other than Al Qaeda‚ that at the time were being led by a man named Osman Bin Laden. Their reason of attacking us is still being questioned‚ but the effect that their attack has had on America is easily noticeable. After 9/11 the toll the attack had on American economy was greatly severe‚ due to the primary fact
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that involve being at a height. Moreover‚ these individuals consistently avoid situations that involve heights. At this point they are labelled ‘acrophobic’. Acrophobia is the extreme and irrational fear of heights. With a prevalence of about 5% in world population‚ it’s one of the most common phobias. The traditional theory states that acrophobia‚ like most other phobias‚ is the result of a traumatic experience. Those who suffer from acrophobia were likely to have undergone a dreadful experience
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Surveying around the world‚ one may discover that many people when hungry‚ have the means to fulfil their appetite. This can be done through access to food; where people satisfy their hungry by enjoying a sandwich‚ or maybe even joining the dinner table for a nourishing meal. However‚ sadly this is not true in all cases. Hunger is one of the most challenging situations that seem to impossible to cure. More alarming are its effect on the human body‚ which in most cases are disastrous. Studies have
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Tayo Akinboboye World to Literature Laurie Sherman Rough draft In the beginning god created the heaven and the earth‚ which was formless‚ and very dark‚ till god found a precious stone. God transformed the stone into something feminine and petite and breathed through it and turned into a female‚ god made the female in his own kind and image‚ naming her eve. Eve was so dear to god that they were always together and did everything together; god had so much trust in eve. He decided to give
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SUBKINGDOM: PROTOZOA Phylum | SARCOMASTIGOPHORIA | APICOMPLEXIA | CILIPHORIA | Class | Class: LOBOZEA (amoeba)Species: ENTAMOEBA HISTOLITICA: * Only pathogenic parasite of this class * in large intestine * morphology: 1.trophozoite ; 2. Quadrinucleate cyst - 15 micrometers (smaller than 10 is ‘non-pathogenic’)‚ found in colon and feces‚ 4 nuclei * Life cycle: > parasite in caecum > mature cyst is swallowed > cyst hatches in intestine and quadrinucleated amoeba come
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Causes of Stress on a College Student College students experience a lot of stress because of different causes that affect their daily life. Here are some reasons on why college students are stressed. First‚ we have the stress caused by adapting to a new life. College students have a heavier workload compared to their high school life. It is also in this phase that we experience the letting loose of teachers and parents to college students that will result to their being more independent. In there
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outside of baseball. During the beginning the NBA playoffs are going on and towards the end the NFL season starts‚ two better viewing options than the MLB. Baseball starts too early because the leftover effects of winter are still felt in April with snowed out games and in October fall nights cause very low temperatures. Fans also are upset when they’re teams are already out of the playoff chase half way through the season. A sign that points to the non competitiveness of the MLB; the season always
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In the world today‚ most people do not worry about diseases that are not in their country. There are millions of deaths each year because of malaria in Africa that is caused by a mosquito. Many of these deaths from this disease become unknown by the world. Malaria is a disease that kills many travelers and africans every year. Many wonder “what is malaria?”. Malaria has been studied by Malaria No More and they’re article says “Malaria is a disease of the blood that is caused by the Plasmodium
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Hunger in India According to the World watch Institute website‚ the global grain production has transcended any moment in the history and at record high. Unfortunately‚ at the same time‚ there is more than one tenth of population in the earth are living with famine‚ which is also at the new record high. The problem of hunger usually happens in the undeveloped countries‚ such as Nigeria‚ Kenya‚ and other countries in Africa and Asia. India is the worst nourished country in the world. There
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