Ozone essays

Ozone essays In this paper, evidence will show how ozone layer depletion is a problem. Harmful chemicals, produced by man, and nature, effect the ozone layer, a part of the earths atmosphere. The earth has environmental problems, and ozone layer depletion is just one of them. The ozone layer is a layer of irritating, corrosive, colorless gas that absorbs 97-99% of the suns high frequency ultraviolet light, which is damaging to life on earth. ( Sparling, Ozone Depletion) Ozone layer depletions history dates back to as early as 1956. In 1956, the first ground based measurements were taken in Halley Bay, Antarctica. The in the 1970s, satellite measurements were started. The first comprehensive worldwide satellite measurement happened in 1978 with the NIMBUS-7 satellite. The NIMBUS-7 carried on it two things, the TOMS (total ozone mapping spectrometer), and the SBUV (solar backscatter UV meter). The NIMBUS-7, along with other instruments, measured the amount of chlorofluorcarbons in the atmosphere. Chlorofluorcarbons were first created in 1928 as a non-toxic, non-flammable refrigerant, by a commercial company called DuPont. CFC-12 was the first type of chlorofluorcarbon (1 single carbon w/ 2 chlorines, s) created. (Sparling, Ozone Depletion, History ) M.J. Molina and F.S. Rowland published a lab study in 1974 demonstrating how CFCs breakdown ozone when a high frequency of UV light is present. Based on this study, an estimation of about 7% of ozone would be depleted in the next years, lead to the U.S. banning CFCs in aerosol sprays. Slowly after, other nations agreed to ban CFCs in aerosol sprays. In addition, the most recent world resolution, the Montreal Protocol, was based on negotiations between European-Scandinavian countries and the United States over CFCs in the fall of 1983. The Montreal Protocol was signed in the fall of 198...

How to actually get a job using a recruiter

How to actually get a job using a recruiter If you’re on the job hunt or soon expect to be, you’re undoubtedly aware that you’re entering an ultra-competitive job market. Regardless of whether you’re a recent graduate and new to the workforce or a seasoned industry veteran, the level of talent out there is both impressive and intimidating- which is why you want to make sure that you’re taking advantage of every tool in the job hunting arsenal in order to lock down your next career move. One tool that you may or may not have considered are recruiters. These are individuals who are trained to meet the staffing needs of organizations across industries and job levels. They are skilled at funneling talent-rich groups of capable job recruits to the organizations who retain their services.Some companies value recruiters so much that they have several working for them on a full-time basis. These professionals devote their time and effort to sourcing, engaging with, and attracting both active and pass ive potential candidates in an effort to cultivate an orbit of talent to turn to whenever an open position arises; other companies seek out the services of professional recruitment agencies when the need arises.Depending on your industry and employment level, using recruiters to help you land your next job may be a solid strategy. Consider using the following tips and strategies to make the most of these valued resources during your job search.Industry and job fairsMany companies large and small, veteran and startup, make good use of job fairs in an effort to attract and engage with new prospective talent and help build their brand identities among their industry peers. You’ll find a range of opportunities to meet with recruiters at these events. The savviest job-seekers view these meet and greet opportunities as â€Å"mini initial interviews† of sorts:They come professionally dressed and polishedThey’re armed with their portfolios and resumesThey work hard to m ake memorable and significant connections with recruiters who represent companies they’re interested in potentially working forThey make sure to get business cards and/or contact information of the recruiters they interact withThey follow up later on (in the form of thank-you emails and possibly LinkedIn connections) and make sure to get (and stay) on the radars of the companies that intrigue themKeep an eye and an ear out for industry events and job fairs in your area. Joining professional associations and making the most of social media for professional networking, along with regular online research, are your best chances to learn about these events and register in time.School career servicesAre you taking full advantage of everything your alma mater offers in terms of career resources for new and future graduates? Most colleges, universities, and vocational schools have career service offices that are dedicated to helping their student bodies land valuable internships and jobs upon graduation- these resources are often made available to alumni as well. Many school career service offices work directly with recruiters at various companies, which can be key strategic pipelines for them. If they can recognize the value of these resources, then perhaps you should too.Your school’s career office can help you make direct connections with recruiters, and can also keep you updated on upcoming job fairs and events. (Many schools organize these activities throughout the year, and you can count on recruiters attending). Don’t forget- your tuition pays for all of the student and alumni services that your school offers, so why not take advantage of them?Work independentlyIn addition to industry events, job fairs, and school career services offices, you can choose to connect directly with recruiters in an effort to land your next job. In addition to contacting the companies you are interested in directly (most companies these days have robust social m edia presences and career services portals on their websites that you can use to make key connections), there are professional recruitment agencies that specialize in placing individuals in open positions in various industries.The Internet is your best friend here- do some online sleuthing regarding which respected and recognized recruiters specialize in your field, and consider making contact to see if they can help you achieve your career goals.Here’s the bottom line- it’s true, you actually can get your next job by using a recruiter. Consider using the strategies and advice presented here to take advantage of this job-hunting resource and land your next great job.

Diffusion and osmosis Essay Example | Topics and Well Written Essays - 250 words

Diffusion and osmosis - Essay Example This research will begin with the definition of the diffusion as the molecular process by which certain particles move from a place of higher concentration to a location of lower concentration containing those same particles. The researcher states that it moves from the higher to the lower concentration because of the concentration gradient which is the difference in concentration levels between two adjacent regions. The author has rightly presented that diffusion stops when the concentrations between these two become equal or have reached equilibrium. This essay discusses that osmosis is simply a type of diffusion in which water moves from high concentration to that of the lower water concentration. The paper tells that both processes, diffusion, and osmosis, are examples of passive transport as is shown in the figure in the paper. It means that there is no energy required to facilitate these processes. The author has rightly presented that in biology, diffusion is the simplest and easiest way to move substances (molecules, nutrients, vitamins, minerals, ions, etc.) across the cells' membranes. The basic understanding underlining the case study is that it saves unnecessary expenditure of energy which is in sharp contrast to active transport, the way by which cells move certain materials against the concentration gradient, thereby requiring the use of energy (forced movement).

Interview Essay Example | Topics and Well Written Essays - 500 words - 17

Interview - Essay Example He would for instance ask ‘So yesterday, what happened?’ to leave the interviewee with the luxury of choosing from a possible broad range of responses. Describe the interviewer’s approach to the body of the interview. Did they use a highly scheduled/structured, moderately scheduled/structured, or non-scheduled/non-structured body? See Chapter 8 textbook Based on the types of questions emanating from the interviewer, it is apparent that the he decided to use an unstructured approach in the main body of the interview. This is especially so when he persistently asks open-ended questions based on the responses he receives from the interviewee. The interviewer acclimatized both the audiences and the interviewee to the tone of the interview by officially introducing the interviewee by his official title while extending an official greeting. This confirmed the authority of the interviewee and the significance of the questions that followed. The interviewee chose a rather conservative posture by sitting upright with hands on the laps. This signified submission to the interviewer and readiness to tackle any questions that would arise during the interview. The interviewee used head gestures like nodding to imply approval of whatever matter was in question. Although there were instances of open-ended questions, most of the questions asked by the interviewer were closed, often demanding an approval or denial in matters of national importance. For instance, the interviewer asked the interviewee the following question. "Do you know among you, Obama, and Bush, who had the highest tax receipts of all three of you? Do you know? Describe the interviewer’s approach to the body of the interview. Did they use a highly scheduled/structured, moderately scheduled/structured, or non-scheduled/non-structured body? See Chapter 8 textbook The interviewer used a moderately structured approach in the interview by

Planning Law Assignment Example | Topics and Well Written Essays - 1000 words

Planning Law - Assignment Example The industrial age played a very big role in reshaping population settlement. It caused more and more people to flock into cities looking for work. However, in the 21st century, the information revolution is probably the number one factor that is affecting the way people settle. The information revolution that has been caused by the increasing communication technology that started in the mid-seventeenth century has now come to change the way people settle. However, since information revolution is always under continuous development, it is hard to say exactly how it is affecting human settlement. For instance, originally, information technology was only available in and around cities and urban settlements. The way this affected human settlement is that people had to move to cities in order to access these services. In this regard, the information revolution can be said to be having the same effect that industrial revolution had on human settlement. However, as time goes on, informatio n revolution is changing, and it is now easier for people to access these services such as internet connection and cell phone networks, even in some of world’s remotest points. This factor combines with the fact that most people these days work online, mean that the people can now settle anywhere in the world and don’t need to go to cities or urban centers. ... However, since information revolution is always under continuous development, it is hard to say exactly how it is affecting human settlement. For instance, originally, information technology was only available in and around cities and urban settlements. The way this affected human settlement is that people had to move to cities in order to access these services. In this regard, the information revolution can be said to be having the same effect that industrial revolution had on human settlement. However, as time goes on, information revolution is changing, and it is now easier for people to access these services such as internet connection and cell phone networks, even in some of world’s remotest points. This factor combines with the fact that most people these days work online, mean that the people can now settle anywhere in the world and don’t need to go to cities or urban centers. Part II McAuslan2 (1980) is trying to indicate that planning law is still very crude an d that it does not help in making cities better. This viewpoint is wrong because the law has made sure that the freedom that individual and organizations had a hundred years ago is not there anymore, and this helps in protecting cities and the environment in general. Module 4 Journal The local government is a very important arm with regard to the enforcement of planning regulations and laws (Westen3 2009). Without these local governments, the many planning laws would be useless and it would be very hard to manage the real estate available to any cities. Local governments understand the local city best and they understand the concerns of the local people in the best way. For this reason, the local government would be able to help in making sure that the

Holocaust-WW2 Related Events (American History) Research Paper

Holocaust-WW2 Related Events (American History) - Research Paper Example They did not have any proper policy to run such a huge rescue operation. Moreover, it was really difficult for the refugees to get into the United States as the refugee policy of the country was such that refugees were unable to get entry visas. Such a policy was made by the US because of anti-Semitism, isolationism, economic depression and xenophobia. (THE UNITED STATES AND THE HOLOCAUST, n.d.) When the Jews in Europe were getting victimized by the Nazis, American Jews were not able to stand beside their European counter part. This is because most of the American Jews were settled in the country for a very short period of time. They did not have enough power to stand up against American government as there was hardly any unity among the American Jews. No major American Jewish community was there in between 1930 to 1940, though there were many small ones. The Jewish Labor Committee was ready to talk to the Nazi government regarding the holocaust. American Jewish Committee which was mainly formed of Americanized German Jews decided to deal the issue politically and quietly. There was not any Jewish group which could raise its voice against the government. There was no channel through which the president of American Jewish Congress, Rabbi Stephen S. Wise could contact the president Roosevelt; and the American Jews were not ready to help him in this regard. These were the main reasons behind the inability of the American Jewish to pressurize the Roosevelt administration (American Jewry and the Holocaust,

Public & Private enterprise Essay Example | Topics and Well Written Essays - 500 words

Public & Private enterprise - Essay Example Some good and services are not suppose to be provided by the private sectors in some countries. The public goods and services are defined by economist as non excludable and non rival while private goods are excludable and rival (Kelly, 2007). In public purchasing, it is important to use ethics in order to improve the morale and loyalty of customers and workers. Ethics in management ensure that leaders behave according to the code of contact hence attracting customers and retaining the previous customers (Kelly, 2007) In the reconstruction of Tappan Zee Bridge it is important to use the Public-Private Partnership (PPP). The construction will be effective since both the private and public sector will provide services and funds. There will be merging of ideas and the construction will be effective (Kelly, 2007). In respect to the wimp video there are five types of government. Monarchy or dictatorship is the first form of government which is ruled by a king with nobles. Oligarchy is another form which is the most common form of government ruled by powerful few. Anarchy is another form which means without government. People decided to have no government due to crimes committed by the government. Government is necessary for the protection and security and anarchy is not a good form of government. Democracy type f government means a form of government the rule of the majority. Republic government means the public thing and the government is limited by the law to safeguard the public (Kelly, 2007). Private-public enterprises are a contract made between a private party and a public sector authority. In the enterprise, a private party provides a service and assumes all risks, substantial financial and technical risks in the business. Example of the private-public enterprise is health organization providing health services, water privatization, centralized units and financing like banking services