Water Quality - Lab#4 Essays (415 words) - Water Pollution

Water Quality - Lab#4 Lab #4 Oakland Ravine and Lake: Water Quality 1. The pH levels are fairly constant for inlet and outlet. The dissolved oxygen(dO), on the other hand, varies very much between the inlet and the outlet. The measurements of the pH and the dO of the water do not differ greatly. By comparing the two graphs given I can see that both the pH and the dissolved oxygen are lover in the winter. I think this is related to the amount of sunlight that the water receives and also the temperature of the water. In the given maps the dO drops off very sharply at various points. I would assume this is a sign of eutrophication. That would also explain why in the winter the dO is much more steady up to a certain depth. The explanation being that the cold weather has killed off many plants, therefore the plants can't choke the oxygen supply. PH NO3 DO(A) PO4 INLET 7.3 7.3 7.05 1.7 5.5 5.5 Over-range LAKE 7.8 7.8 7.64 1.5 9 9 .42 OUTLET 7.5 7.5 7.35 .9 6 6 .48 2. These organisms were found in the sample of water we looked at on the slide. I would say that the organisms are about the size of a fine pencil point. The look like specs in the water to the naked eye, but under the magnifying glass they look extremely detailed and large. I think I found a synedra and a copepoda. Because these organisms are so small they must eat very small particles maybe from dead plants and animals in the water. They are probably just about the lowest on the food chain. Their existence most likely supports many other life forms. 3. Discussion- This lab was pretty interesting. I liked actually doing lab tests and then finding out the results. I don't understand why every pond across America isn't eutrophied. If the abundance of nutrients comes from cars and pollution, then wouldn't it be seeping into just about every body of water, therefore causing eutrophication.? This lab explains why many times I will see dead fish floating around in ponds near my house in upstate New York. I've gone fishing in one particular pond and every time you reel it back in the hook would have been filled with algae and plant matter. Now I know that it's not a healthy pond. Science

Formula Mass (Weight) Versus Molecular Mass

Formula Mass (Weight) Versus Molecular Mass Fomula mass and molecular mass are two values that express the size of a molecule. Do you know the difference between formula mass and molecular mass?The formula mass (formula weight) of a molecule is the sum of the atomic weights of the atoms in its empirical formula. The molecular mass (molecular weight) of a molecule is its average mass as calculated by adding together the atomic weights of the atoms in the molecular formula. So, since the definitions differ according to whether you are using the empirical formula or molecular formula for a molecule, its a good idea to understand the distinction between them. The molecular formula indicates the type and number of atoms in a molecule. The molecular formula of glucose is C6H12O6, which indicates that one molecule of glucose contains 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen. The empirical formula is also known as the simplest formula. It is used to indicate the mole ratio of elements present in a compound. The empirical formula of glucose would be CH2O. The formula mass and molecular mass of water (H2O) are one and the same, while the formula and molecular mass of glucose are different from each other. The formula mass (formula weight) of glucose is 30 (either no units or else grams per mole), while the molecular mass (molecular weight) is 180.156 g/mol. Whenever you see a molecular formula where you can divide the subscripts by a whole number (usually 2 or 3), you know to expect the formula mass will be different.

Love , Made up story Essay Example | Topics and Well Written Essays - 500 words

Love , Made up story - Essay Example References would mean higher chances of being hired. Her friend Leila recommended her to her boss as a waitress. She was a dancer there. She had second thoughts about the job offer, because she did not have any waitressing experience. When she stopped college three months ago, the last job she handled was being a gasoline station cashier. She lost that job because her manager caught her sending text messages to her mother, who kept on reminding her to pay the electricity bill. But she needed a job. Nineteen years old did not seem too young to be a waitress. At least, it was not Hooters. Her mother was very conservative. She prayed the rosary two times a day, seven days a week. And she was already constantly sick, coughing as if she had ten dogs possessing her and barking inside her lungs. She thought about her family and how they needed her. She was thinking fast. What could she say to the manager? She promised that she was available for an interview this morning. She would have to tell the truth. Yes, honesty would count positively on her behalf. She went to the restaurant she was applying for. The manager was outside the restaurant smoking and he was talking to someone on his cell phone. He said goodbye to whomever he was talking to and said: â€Å"Estella! You missed your interview!† He shook his head with dismay. He looked 50 something years old. His olive skin contrasted with his pale lips. She said: â€Å"I am so sorry boss. My father called all of a sudden. He said we would meet at 711 at 11 PM and I waited until 3 am. I woke up late. Please give me a chance, I need this job!† The manager looked at her sternly. â€Å"Okay, you’re hired. But you will never be late again, okay?† â€Å"Yes,† she promised. He said: â€Å"You can start tomorrow.† The next day, while preparing for work, her father called her again. When she answered the phone, her father said: â€Å"I am sorry. I left

Politics Essay Example | Topics and Well Written Essays - 750 words - 9

Politics - Essay Example Census (Davidson, Walter, and Frances 42-46). Nevertheless, districting in the elections for the House of Representatives stands out as one of the sources of partisan polarization (Carson et al 1). There are significant problems associated with districting in single member states (Garrett 1-6). Single-member district electoral system fosters poor representation and undermines the democratic voting process. In reviewing and advancing the argument about polarization and districting, we can show that districting plays a significant role in enhancing polarization. In Rethinking Districting, Thomas Brunell argues that voters who did not vote for the winning candidate are less happy compared to the voters who voted for the winning candidate in the House of Representatives (Brunell 77). The single-member district electoral system creates a disconnection as the minority voters do not identify with the winning representatives. Like-minded partisans enhance cohesion in the House (McCarty et al 4-6). Otherwise, establishing a competitive district in the House has an adverse effect of distorting the ideologically congruent voters into separate districts, which will increase the absolute number of voters who will be unhappy with the outcome and dissatisfied with their representative (Brunell 77). Where most of the voters are unhappy with the outcome and dissatisfied with their representative, then the political leaders will have a huge challenge in exercising their power. This has an overall effect of demeaning representation and undermining developme nt since the voters will not support the decisions of the House of Representatives. The districting process is also problematic because the single-member district electoral system may determine the leaders and the party, which will govern our local district even before the voters exercise their voting rights. The single-member district electoral system favors certain candidates and parties since it confines

Free trade, international business and globalisation continue to Essay

Free trade, international business and globalisation continue to increase inexorabley if they are so beneficial to our world and - Essay Example From the point of view of international business, globalization is not a mere sale in the overseas, but an operation in the overseas. Producing companies or the runners of business decide to produce in foreign countries for making this operation successfully. By producing in the foreign countries, the companies obtain access to the preferred inputs and to markets. The cheap inputs may be labor or raw materials like minerals or agricultural products. The relevant implications of the international business or globalization of business is free trade and competition. The overall interest of most of the global companies lies in free access to market. Similarly, the companies support the reduction of investment barriers in the individual countries. The competition is brought by the companies into the markets where there exists a limited number of local producers. The competition may be with local producers or among these companies them selves (Stewadson, 1999). Positive Roles of Internatio nal trade and business in the era of Globalization Free trade in the context of globalization attribute to i) the demand expansion and increasing returns to scale, ii) technological dynamism and investment, iii) specialization of production, technological advances and spill over, and above all to the iv) employment generation in a country, where the multi national countries produce or run the business. The goods and services which are produced locally have access to a larger market and the demand expansion effect of trade make the economy capable of overcoming the constraints of its local and domestic market size. The increasing returns to scale as a result of access to international markets can further reinforce the benefit of operating at a higher output level. The manufactured goods propose better prospects for export earnings by allowing for a more rapid productivity growth and production expansion and also offer the promise of greater price stability as volumes expand, thereby avoiding the declining terms of trade which hinders the long run economic performance of many developing countries (UNCTAD 2002) Trade leads to acquisition of newly affordable goods that are necessary for technological dynamisms, poverty reduction and increasing economic development. Those goods would not available unless export or import occurs properly and even if they are available, those may not be for the scarce domestic resources. If the foreign earnings from exports are appropriately re-invested, competitiveness would be enhanced and this leads to expansion of exports and greater investment. Trade with sufficient strategic support, incentives and guidance of the government can lead the economy to industrial diversification and other crucial economic development. The experience of South Korea is very relevant in this context. Export earnings have been used to import the selective capital goods and technologies which led to the inception of new and outstanding industries (in wh ich the country had any initial comparative advantage) which are internationally competitive (for eg., Steel and Ship Building). The trade theories indicate that a nation exports the commodities which are produ

Uk Supermarket Price Competition And Non Price Competition Economics Essay

Uk Supermarket Price Competition And Non Price Competition Economics Essay The British supermarket is dominated by four main suppliers, Tesco, Sainsbury, Asda and Morrison which formed a large retail market chain in the UK for several years. This is called oligopoly market [Oligopoly Watch, 2003]. According to 123helpme.com (2009), an oligopoly is a market controlled by a few number of bulky firms which are interdependent. First of all, four main groceries in the UK have high degree of concentration. For example, in 2003, four supermarkets together have approximately three fourths market share in the retailers market which can be seen in the diagram. [Oligopoly Watch, 2003]. Moreover, based on the huge economics of scale and enable lower the price to consumers, the barriers to entry for other suppliers in the market are high. It is believed by Climate Change Crop (2006), consumer research told them that price, quality and convenience were the key criteria for the mass of shoppers. Therefore, the UK leading firms in supermarket chain begin the high competiti ons in price rivalry and non-price strategies. This essay will concentrate on analyzing both price competition and non-price competition among Tesco, Sainsbury, Asda and Morrison, and then evaluates the advantages and disadvantages for the customers. Grocery market share Tesco  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   27.1% Asda  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   16.9% Sainsbury  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   16.1% Morrison/Safeway  Ã‚  Ã‚  Ã‚  Ã‚   12.4% Sept 2003 rankings, Source: The Guardian Consumers have benefits for saving money because of immense high competition and low-price strategy among the main retailers in the UK. Those oligopoly firms such as Tesco, Sainsbury, Asda and Morrison are interdependence. It can be easy to lead to price rigidity among major UK supermarkets which assumes that oligopoly market have cooperation in setting stable price in similar products. In addition, if one firm increases its price while other companies stay constantly, the firm who increase the price will lose market share because consumers do not want to purchase high price if they can also buy in original price in other groceries. This is called kinked demand curve theory. [Revision Guru, 2010]. As can be seen in the following diagram, P equals to price. Q equals to quantity. MC equals to marginal cost and MR is for marginal revenue. Demand curve is more elastic for a price rise than for a price fall. MC1 then a rise in costs to MC2 would result in stable price. Kinked demand curve theory [Revision Guru, 2010] Furthermore, it is reported by 123helpme.com (2009) that an action of one firm contributes to the change of other competitors. For example, rivals will be compelled to prevent to loss market share if a retailer lower its price. In UK supermarket chain, apart from Sainsbury which focus on produce quality and outstanding value to meet consumers need, other three retailers include Asda, Tesco and Morrisons are mostly low-priced based. To be more specific, Asda offers the cheapest price of the three companies [Thinking Made Essay, 2009]. Consequently, an ardent competition happens as a result of lowering price of those three rivals. Consumers are in favour of choosing the cheapest one to buy because they can save money. However, when competitors stay their products in high price, customers should have a positive aspect in charging more money. Both branded and qualitative products can satisfy consumers needs but should be paid in higher price than unbranded products. Owing to the effectiveness of the advertising and marketing which made by large firms, customers are willing to pay more money to buy branded products to satisfy their psychological needs. The Leading firms in the UK supermarket tend to produce branded products to attract more attentions from consumers and then increase sales. Morrisons, for instance, has eight different categories for food selling which consist of The Best a premium range; Eat Smart, a healthy range; Bettabuy, economy products; Organic and the free-range Free From collection [Whitwell, 2006]. These strategies are also barriers to those companies which want to come into the market. As a result, more consumers make their first choice to the branded products. If the companies want to obtain more market share among those competitors, they must also produce products which are in good quality. Ther efore, the fixed and variable cost cause the mark-up of the qualitative and branded products higher than other plain products. Even though consumers spend more money to buy these products, they also obtained the quality guarantee of the production [Tutor 2u, 2010] Other price competition such as discount by these UK groceries results in more money cost by consumers. In oligopolistic market, because major firms want to maximise their profit, they would get together and make a same agreement on product quantity or price which means collusion [S-cool.co.uk (2010)]. According to Oligopoly Watch (2003), Asda, Tesco and Morrisons built their reputations as discount chains to gain market share quickly, this lead to the decline of Sainsbury which has been the biggest retailers since 1995. However, those three large supermarket chains hope their discount can stimulate their consumers spend more money on other profitable products. This price strategy leads to the revenue of the chain increase sharply. The whole things cost costumers much more money than they spend as usual because of the discount on cheap products. Though the price strategies help a lot on increasing consumers expenditure and reputation, non- price competitions which concentrate on other strategies for rising market occupancy are also an essential part of attracting more purchasers. Consumers have power to change the shopping place if they do not think the service and quality of the original retailers satisfy them [Biz/ed, 2005]. Non-price competitions comprise numerous strategies such as mass media advertising and marketing, home delivery systems, innovative use of technology and internet shopping for consumers [Tutor 2u, 2010]. According to Thinking Made Essay (2009), the proportion that make consumers switch to other brands are correspondingly low. The leading UK supermarkets use non-price competitions to hope customers finish shopping and continue to purchase in the next time. Therefore, each of them focus on good service to shopping people because consumers may alter their choice to other grocery if they consider the one t hey buy usually do not content them. In summary, Tesco, Sainsbury, Asda and Morrison use different price strategies such as price stability and discount and non-price competition such as service. Consumers in the UK retailer chain have both positive and negative aspects. Owing to the interdependence of oligopoly, Tesco, Sainsbury, Asda and Morrison use price rigidity to control the market. Consumers have benefits for low-price strategy. Furthermore, the retailers use loss leader strategy; concentrate on good value but high price to consumers who may spend more money on those qualitative products. Whats more, customers can choose the best service supermarket because every groceries use non-price strategies to attract consumers attention. Nevertheless, price competition such as discount may cost more money in other profitable things. References Section: Biz/ed.co.uk (2005) Supermarkets and Oligopolies http://www.bized.co.uk/dataserv/chron/news/2449.htm Climate Change Crop (2006) UK supermarkets Waking up to sustainability marketing http://www.climatechangecorp.com/content.asp?ContentID=4503 Oligopoly Watch (2003) British grocery  oligopoly http://www.oligopolywatch.com/2003/10/13.html Revision Guru.co.uk (2010) Oligopoly http://www.revisionguru.co.uk/economics/oligopoly.htm S-cool.co.uk (2010) Other features of oligopoly http://www.s-cool.co.uk/alevel/economics/market-structure-2/the-kinked-demand-curve-model.html Thinking Made Essay, 2009 Strategic Analysis of Morrison, Asda and Tesco http://ivythesis.typepad.com/term_paper_topics/2009/07/strategic-analysis-of-morrison-asda-and-tesco.html Tutor 2u.net (2009) Oligopoly http://tutor2u.net/economics/content/topics/monopoly/oligopoly_notes.htm Whitwell Stuart, 2006 Stretch potential: the supermarket brands http://www.intangiblebusiness.com/Brand-services/Marketing-services/News/Stretch-potential-the-supermarket-brands~390.html 123helpme.com (2009) First 1500 characters of UK supermarkets Oligopolistic competition http://www.123helpme.com/preview.asp?id=97935]

8th Fire: Indigenous in the City Analysis: One Step Forward, One Step B

8th Fire: Indigenous in the City, is part of a documentary series that describes the challenges that aboriginal people face when moving to the large cities from reservations. The documentary begins by describing the stereotypes that English Canadians as well as other visible minority groups perceive aboriginal people to be. They show how damaging the stereotypes are to the First Nations, especially in the area of education. The documentary concludes by offering a few some solutions of how to change and improve the relationship between the aboriginal community and the rest of Canada. The two main aspects of the film that I will focus my analysis on is the education system from past to present and the negative impacts it has had on the First Nation’s people as well as aboriginal stereotyping. These two themes were the most prominent topics brought up throughout the film, and while one topic was well argued and framed, the other I will argue was more damaging than educationa l. I should mention that due to my ethnicity being of aboriginal decent, Mà ©tis in particular, I was extremely critical of the film because though these issues need to be addressed publicly, if they are presented in the wrong light, it can cause more negative implications than positives. Though the film mentioned the impact that residential schools had and still has on the aboriginal people, I felt that this issue needed to be stressed further because the legacy of the schools is still extremely prominent in aboriginal communities today. The film refers to the fact that residential schools harmed the aboriginal people because they were not able to learn their culture, which has resulted in the formation of internalized oppression within in the group. â€Å"The... ...t Kids Docs Radio TV. Web. 1 Apr. 2012. . Fleras, Augie. â€Å"Aboriginal Peoples in Canada: Repairing the Relationship.† Chapter 7 of Unequal Relations: An Introduction to Race, Ethnic and Aboriginal Dynamics in Canada. 6th ed. Toronto: Pearson, 2010. 162-210. Print. King, Thomas. â€Å"Let Me Entertain You. The Truth About Stories: A Native Narrative. Minneapolis: University of Minnesota Press, 2005. 61-89. Print. Ruth, Seà ¡n. â€Å"Theories of Internalized Oppression.† Leadership and Liberation: A Psychological Approach. London: Routledge, 2006. 155-173. Print. Schissel, Bernard, and Terry Wotherspoon. â€Å"The Legacy of Residential Schools.† Inequality in Canada: A Reader on the Intersections of Gender, Race, and Class. 2nd ed. Ed. Valerie Zawilski. Don Mills: Oxford University Press, 2010. 102-121. Print.