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Free research papers and essays on topics related to: accumulation

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  • Acid Rain And North America - 1,891 words
    Acid Rain And North America In the past century, one of the greatest threats to North America's aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems, as well as microbiologic activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain, and what can be done to improve North America's water quality and prevent future catastrophes? To answer these questions, we must first examine the cause and formation of acid rain, as well as understand ways to decrease or prevent its formation. Formation of acid rain. Acid deposition, mo ...
    Related: acid, acid rain, america, north america, rain
  • Acid Rains - 540 words
    Acid Rains Acid rain refers to all types of precipitation--rain, snow, sleet, hail, fog--that is acidic in nature. Acidic means that these forms of water have a pH lower than the 5.6 average of rainwater. Acid rain kills aquatic life, trees, crops and other vegetation, damages buildings and monuments, corrodes copper and lead piping, damages such man-made things as automobiles, reduces soil fertility and can cause toxic metals to leach into underground drinking water sources. Rain is naturally acidic because carbon dioxide, found normally in the earth's atmosphere, reacts with water to form carbonic acid. While "pure" rain's acidity is pH 5.6-5.7, actual pH readings vary from place to place ...
    Related: acid, acid rain, carbon dioxide, bodies of water, dioxide
  • African American Writers - 910 words
    African American Writers The African- American Community has been blessed with a multitude of scholars. Two of those scholars include Booker T. Washington and W.E.B. Du bois. Both of these men, had a vision for African- Americans. They wanted to see the advancement of their race of people. These great leaders just had different viewpoints as to how this should be accomplished. Mr. Washingtons viewpoints are based on his own personal experience and understanding of politics. Mr. Du bois viewpoints came from his knowledge of the importance of education and its ability to break down barriers of color. Washington and Du bois wanted to see the advancement of the African-American people. The quest ...
    Related: african, african american, american, american community, american people, american writers
  • African Culture - 1,532 words
    African Culture When trying to compare and contrast the music-culture and society of the Mbuti and that of the Venda, it becomes difficult to comment on sound when we haven't heard any Venda music. It's easy to recognize that for the Mbuti the music embodies the heart of the forest, and for the Venda the relation to nature is the act of a mother giving birth. Thinking about concept and behavior this makes the music performed by the two cultures separate and distinguishable. This is where culture and environment become important factors. How noticeable is this when listening to the music of both peoples? When given the opportunity to listen, without a trained ear, it would be difficult to fin ...
    Related: african, african culture, popular music, social issues, humor
  • Alcoholism - 2,013 words
    ... times increased consumption of alcohol are cited in evidence. But these data invariably fail to take account of changes in availability or use of facilities, changes in admission or diagnostic policies, or changes in the source of beverages--for example, from unrecorded to recorded supplies. In the Soviet Union a change in the internal political situation with the death of Stalin resulted in a shift from official denial that any significant problem of alcoholism existed to an outcry that its prevalence was widespread and serious, though no statistics were provided. Treatment of alcoholism The various treatments of alcoholism may be classified as physiological, psychological, and social. ...
    Related: alcoholism, carbon dioxide, psychoactive drugs, alcoholics anonymous aa, therapy
  • Alzheimers Disease - 1,539 words
    Alzheimer`s Disease Alzheimers Disease is a progressive, degenerative disease that affects the brain. Individuals with AD experience a progressive and specific loss of cognitive function resulting from the differentiation of the limbic system, association neocortex, and basal forebrain. It is also accompanied by the deposition of amyloid in plaques and cerebrovasculature, and the formation of neurofibrillary tangles in neurons. Alois Alzheimer, a German doctor, diagnosed this disease for the first time in 1907. At that time it was considered a rare disorder. Currently, this tragic brain disorder affects approximately four million people; It is the most common type of dementia and the fourth ...
    Related: alois alzheimer, alzheimer's disease, alzheimers disease, physiological processes, limbic system
  • Animal Farm - 1,306 words
    Animal Farm Many great works have been inspired by events in history. George Orwells Animal Farm provides an unusual outlook on the Russian Revolution and its leaders by using animals to represent their human counterparts. Orwell attacks communist society and points out weaknesses in its government officials. He calls for a close examination of the treatment of Russian citizens and questions whether they have any rights at all. Orwell was careful in his designation of animals in Animal Farm, especially in regards to the power reserved for the pigs. Animal Farm uses the perfect combination of animal symbolism to relate the occurrences on Manor Farm to actual historical events of the Russian R ...
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  • Asian Financial Crisis - 1,333 words
    ... Often times, banks were pressured to make loans at the request of the government. The government felt if this cycle of borrowing and reinvesting in domestic industries continued, so would the economic growth. By 1997, many Asian businesses had debts valued at between three and six times the total amount of cash invested in their companies. These massive debts quickly led to bankruptcy when currencies fell and no one was willing to extend any more loans in Asian countries. Corruption was also rampant in this region, causing further problems in Southeast Asia. In June 1997, 11 prominent businessmen, bankers and politicians were convicted of embezzling funds and pressuring banks to make ill ...
    Related: asian, asian countries, asian crisis, asian financial, asian financial crisis, crisis, financial crisis
  • Audit Risk Model - 1,892 words
    Audit Risk Model This is defined in AUS 402 as the susceptibility of an account balance ... to misstatement that could be material ... assuming there were no related internal controls (AUS 402.09). Estimating the inherent risk (IR) for each account balance or class of transactions requires the auditor to take into account such factors as the level of complexity involved in determining the correct balance of an account, the complexity of transactions involving the particular account(s) and the portability of the assets involved. The estimation of IR is done as though no internal controls exist it looks only at the nature of the account being evaluated. Control Risk AUS 402 defines this as th ...
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  • Bacteria Outline - 1,338 words
    Bacteria Outline Bacteria - Oldest, structurally simplest, most abundant forms of life - Only organism with prokaryotic cellular organization - The only members of the kingdom Monera (4800 different kinds) - Characteristics change depending on growth conditions - Maintenance of life depends on them - play vital role of productivity and as decomposers - Capable of fixing atmospheric N for use by other organisms - Used in production and fermentation of various food and as antibiotics and is being tested for insect control - Prokaryotes vs. Eukaryotes - Multi-cellularity - All bacteria fundamentally single celled - Sometimes cells adhere within a matrix to form filaments - Activities of bacteri ...
    Related: bacteria, outline, food poisoning, flowering plants, acid
  • Barbara Mason - 1,067 words
    Barbara Mason Human Growth and Development Anne Brooks Lesson 11:Ages 65 on up: Late Adulthood The Results of Aging THEORIES OF WHY WE AGE Since research into aging is not guided by any one universally accepted theory, genetic, cellular, and physiological studies have yielded several hypotheses. Genetics The most popular genetic theory, the Error Theory, assumes that aging is the result of the accumulation of random genetic damage, or from small errors in the flow of genetic information. The damage or errors would reduce or prevent proper cell function. Cellular The best known theory of aging in cellular research is called the Hayflick Effect, which is named after the American microbiologist ...
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  • Bolsheviks In Wwi - 1,759 words
    Bolsheviks In Wwi There were several major sources of conflict between the Bolsheviks and the western states in Europe from 1917 to 1921. Conflicting ideologies that each attacked the core of each other's respective society led to the notion that Capitalism and Communism could not coexist. The attempts of both actors to hold control of their own political system and to expand their political ideas internationally led to major conflicts between them. Also, the lack of respect for the upstart of the Bolshevik government by the west led to misperceptions concerning the actions of the Soviets. Russia's unsatisfactory involvement World War I and its abrupt departure from the war, which affected t ...
    Related: bolshevik party, bolsheviks, britain france, private property, imperialist
  • Booker T Washington - 578 words
    Booker T. Washington BOOKER T. WASHINGTON Booker Taliaferro Washington was the foremost black educator of the later 19th and early 20th centuries. He also had a major influence on the southern race relations and was the dominant figure in black public affairs from 1895 until his death in 1915. Born a slave on a small farm in the Virginia back country, he moved with his family after emancipation to work in the salt furnaces and coal mines of West Virginia. After a secondary education at Hampton Institute, he taught an upgraded school and experimented briefly with the study of law and the ministry, but a teaching position at Hampton decided his future career. In 1881 he founded Tuskegee Normal ...
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  • Brisbane River - 1,955 words
    Brisbane River 1.0 INTRODUCTION The Brisbane River has flowed for over 400 million years. The catchment of the Brisbane River has overcome phases of flood and drought while its origins altered as the surrounding land changed overtime. In 1823, John Oxley entered the river for the first time. At the time the river appeared clean and unpolluted. Oxley immediately recognised the river's potential as a site for new settlement, through his recommendation the city of Brisbane was established in 1825. The Brisbane River extends inland for 300km reaching its source at the foothills of the Great Dividing Range. The river's catchment occupies an area of approximately 30,000km2 and releases it waters i ...
    Related: brisbane, river basin, central business, water quality, improving
  • Capitalism Vs Socialism - 1,084 words
    Capitalism Vs. Socialism In order to debate between Capitalism and Socialism, it is necessary to understand what the differences, advantages, and disadvantages are of both systems. Basically, Capitalism advocates private property, and that society does better when an individual can purchase and produce as they see fit. Socialism, in essence, is the theory that property ownership should reside in the hands of the government, and that the government can do more with the assets than individuals can. The difference between Capitalism and Socialism can be summed up by their definitions. They are based upon completely opposite philosophies. Capitalism is a political and economic system in which fa ...
    Related: capitalism, socialism, free market economy, health care, equality
  • Capitalsim History - 1,137 words
    Capitalsim History Capitalism Capitalism is the name given to the economic system that incorporates free enterprise and a market system by Karl Marx, the founder of communism. By the textbook definition, capitalism is an economic system in which private individuals and business firms carry on the production and the exchange of goods and services through a complex network of prices and markets. (Heilbroner1 13-15) Capitalism is a philosophy that originated in Europe, where it evolved and reached its pinnacle in the nineteenth century. During the nineteenth century capitalism spread throughout the world and to the United States. The United States adopted the ideas of capitalism and put them in ...
    Related: history, industrial revolution, adam smith, franklin d roosevelt, specialized
  • Challenger - 2,357 words
    ... ere scrutinized. "Mr. OConnor - who flew on the shuttle Atlantis three months before Challenger was destroyed - said his next mission wasnt until 1991." (Price, p1) But there more to the effects than the investigations; there were also many emotional issues that had to be faced. "For the Challenger mission, Robert B. Sieck was Director of shuttle operations at Floridas Kennedy Space Center - a position he still holds. He is also 57, balding and soft spoken. On the wall of his second floor office is a formal portrait of the Challenger Crew, autographed by the seven members. ! There is also a quote from Teddy Roosevelt that he hung after the explosion. It says " the credit belongs to the m ...
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  • Charles Darwin - 647 words
    Charles Darwin In 1859 when Charles Darwin published his book "The Origin of Species", it caused much controversy between the scientific and religious worlds. It caused many people to question their belief in the teaching of the Bible. The strongly held belief that the Bible was the literal truth clashed with the Darwin theory. Some people rejected and scorned Darwin while others tried to reevaluate their beliefs. Darwin theorized that species evolved from other species. The belief that God directly created man seemed unlikely to mix with Darwin's theory. Charles Darwin was born in Shrewsbury, England February 12, 1809. He had his preliminary schooling at Shrewsbury. He was then sent in 1825 ...
    Related: charles darwin, charles lyell, darwin, the bible, origin of species
  • Chernobyl - 1,926 words
    ... medical observation of the population has not revealed any increase in other cancers, as well as in leukemia, congenital abnormalities, adverse pregnancy outcomes or any other radiation caused disease that could be attributed to the Chernobyl accident. Large scientific and epidemiological research programs, some of them sponsored by international organizations such as the WHO and the EC, are being conducted to provide further insight into possible future health effects. However, the population dose estimates generally tend to indicate that, with the exception of thyroid disease, it is unlikely that the exposure would lead to discernible radiation effects. In the case of the liquidators ...
    Related: chernobyl, significant impact, international organizations, international community, observation
  • Childhood Obesity - 1,051 words
    Childhood Obesity In today's society childhood obesity is considered to be an epidemic. The increase in obesity is not caused by the change in the gene pool, but rather by the change in the environment. This causes vulnerable populations to express the obesity phenotype (Stune, 1999). One in seven children ages 6-17 are considered to be obese. Most nutritionists will say that this is do to the lack of parental guidance. A child's parents should teach their child proper eating habits so that they won't run across problems in the future (Tomlin, 1999). According to the article Facts about childhood Obesity and Overweightness, obese children are statistically not active, and their diets are hig ...
    Related: childhood obesity, obesity, parental guidance, diabetes mellitus, consequence
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