A Brief Note On The Volcanic Rock Rhyolite - 1109 Words

Though that sounds simple, geysers are extremely rare. As of August 2008, the total of active geysers on earth numbered approximately 1000. Conditions must be just right for geysers to occur. Three components must be present for geysers to exist: a combining supply of water, an intense source of heat, and immense plumbing system. Water is common in nature, heat can come from volcanic activity. Geysers scientists and geologists have identified the volcanic rock rhyolite as being particularly effective for the conditions of this hot spring . Rhyolite is high in silica, which can produce a compacted seal along the walls of the geyser plumbing. Most Geyser proximities are found in rhyolite or similar silica-laden rocks. The mixture of water,†¦show more content†¦While that might seem like a long way down, magma underneath a geyser field is actually relatively close to the Earth s surface. There are different reasons why the magma is so close to the Earth s surface, though many g eyser fields are located on the edges of the Earth s tectonic plates. These plates, which compose the Earth s lithosphere, are constantly in motion, creating major inadequacies and generating tremendous energy (Oxford New World Dictionary). This activity can cause earthquakes and volcanoes, and it can also create heat sources for geysers. The process begins as water migrates to the geyser s plumbing system through a variety of crevices in the ground. Since the plumbing system is miles deep, the water at the bottom of the geyser s plumbing is under incredible pressure from the water above it. If more pressure pushes down on the water, water needs more and more energy (in the form of heat) to overcome that pressure and start pushing bubbles to the surface. This explains why water inside a pressure cooker can reach temperatures of more than 125 degrees Celsius (257 degrees Fahrenheit), while the boiling point of water at standard pressure is only 100 degrees Celsius (212 degrees Fahren heit). The massive pressures placed on water are what you could probably refer to as a Geyser s own functional plumbing system. Water in such a system can reach incredibly high temperatures (and store incredible

Free Online TOEFL Study Guides

Taking the TOEFL is a necessary step for any student not educated in the United States who wishes to study at a North American university. It is also increasingly required from other educational institutions throughout the world as well as a desired or mandatory job qualification. While it is true that the TOEFL is an extremely difficult test there are a number of resources to help students prepare for the test. Luckily the Internet has an ever-expanding treasure trove of study materials. Most of these areas require registration and payment however a number of the sites do offer some free services. If you are interested in taking the TOEFL it will probably be necessary to purchase some of these services. This guide shows you a number of the free services available on the Internet. By using this feature you can get an excellent head-start on your studies without paying a dime. What Is the TOEFL? Before beginning to study for the TOEFL it is a good idea to understand the philosophy and purpose behind this standardized test. Here is an excellent detailed description of the Internet-based test. What Can I Expect From TOEFL? There are a number of resources available to help you discover exactly what grammar listening and reading skills will be expected on the TOEFL. One of the most thorough of these resources is Testwise.Com  which explains each type of question in terms of the grammar or skill required to answer that type of question successfully. Now that you have a good idea of what the test is, what is to be expected, AND what strategies are needed you can begin to practice taking various sections of the test. To help you do just that (for FREE) follow the following links to these  practice tests  and exercises: TOEFL Grammar / StructurePractice TOEFL tests grammar through whats known as the structure sentence. This section includes multiple choice questions which test your understanding of how to put together a sentence.   TOEFL Grammar Practice 1 TOEFL Grammar Practice 2 Exam English Structure Tests Structure Practice Tests  from TestMagic Five Sets of Practice Questions for Section II  at Free ESL.com by Chris Yukna  Practice Section II TOEFL Vocabulary Practice The vocabulary section focuses on understanding synonyms and antonyms, as well as the ability to use a word in the right context.   TOEFL Vocabulary Practice 400 Must Have Words for TOEFL   TOEFL Reading Practice The reading section asks you to read fairly long sections of text that might be found in a textbook or scholarly article. Comprehension of the relationships between ideas and sequencing events is key in this section.   Reading practice tests  from TestMagic by  Chris Yukna  Practice Section II: Boston   Practice: Fuels TOEFL  based on an article in Wired Magazine by Chris Yukna. TOEFL Listening Practice TOEFL listening selections are often based on lectures in a university setting. As in reading, its important to practice listening long selections (3 - 5) minutes of university lectures or similar listening setting.   Exam English Listening Practice Tests How Do I Approach the TOEFL? One of the most important skills to acquire before taking the test is not a language skill. It is TOEFL test taking strategy. To get up to speed on test taking, this  guide to taking tests  can help you understand  general test taking preparation. The TOEFL, like all standardized American tests, has a very particular structure and typical traps for you to fall into. By understanding these traps and structures you can go a long way to improving your score. The writing section of the TOEFL requires that you write an essay based on a set topic. Testmagic.com has a wonderful  selection of sample essays  discussing common mistakes and giving examples of essays with various scores to show you the range expected on the essay. Practicing the TOEFL Obviously, you will need to do a lot more studying (and probably invest a good bit of money) to do well on the TOEFL. But hopefully, this guide to free TOEFL resources will help you begin to understand what to expect when taking the TOEFL.

Explication Of The Raven By Edgar Allan Poe - 1102 Words

Holly Hecox Perdue English Composition II 28 February 2016 Explication: â€Å"The Raven† by Edgar Allan Poe Through the use of an un-named narrator in his poem entitled â€Å"The Raven†, Poe darkly conveys feeling understood by many: hopelessness, lost love, and death. The poem follows the un-named narrator, as he reflects on, as well as struggles with, the realization of his lost love, Lenore. Like many, he tries to detract his overwhelming feelings for Lenore by investing his time in studying books. Despite his greatest efforts, he is unsuccessful. Much to his surprise, his solitude is interrupted by an unanticipated visitor. Throughout the poem, Poe uses imagery, tone, symbolism, and rhyme as a means of conveying his overall themes of undying devotion and lingering grief. Around midnight on a â€Å"bleak December† night, a â€Å"weak and weary† man is reading while â€Å"nearly napping†. He reads as a means of nullifying the sorrow he feels â€Å"for the lost Lenore†. Suddenly, he is jolted alert by some visitor tapping at his chamber door. The lonely man tells himself â€Å" ‘Tis some visitor† â€Å"and nothing more†, but as he widely opens his chamber door, he finds â€Å"darkness there and nothing more†. Staring into the darkness, the narrator dreams about the impossibilities of his lost love, and even whispers her name; ‘Lenore’. Upon returning to his chamber, a stronger tapping, at the window, is catching his attention. Courageously exploring the noise, he is amused and relieved when a raven flies in fromShow MoreRelatedEssay on Collection of Poems by Various Authors3882 Words   |  16 PagesBiography, Edgar Allan Poe The Raven by Edgar Allan Poe Mamie by Carl Sandburg Explication, Mamie by Carl Sandburg Two Strangers Breakfast by Carl Sandburg Mag by Carl Sandburg Explications of Two Strangers Breakfast and Mag by Carl Sandburg Reasons Why by Langston Hughes Explication of Reasons Why by Langston Hughes The Faces of Our Youth by Franklin Delano Roosevelt Enjoyment, Explication, The Faces of Our Youth by Franklin Delano Roosevelt Annabel Lee by Edgar Allan Poe Read MoreThe Raven And Ulalume By Edgar Allan Poe3442 Words   |  14 Pagesand Repetition Discussed in Edgar Allan Poe’s The Raven and Ulalume Were I called on to define the term ‘Art,’ Poe once wrote, I should call it ‘the reproduction of what the Senses perceive in Nature through the veil of the Soul.’ The intense grief that is felt after losing a loved one can often result in despair and irrationality, but in some of Poe’s poetry it has resulted in the severe mental collapse of the narrator. In The Raven and Ulalume by Edgar Allan Poe, the adverse effects followingRead MoreAnalysis Of The Poem The Raven 1813 Words   |  8 PagesThose that have read â€Å"The Raven† may not fully understand what the young man in the poem is feeling and may question why does he do these things. Have a better understanding of the character’s feelings and what he must have gone through. He closes himself off from others and gains a fascinating raven that flies into his home. Some believe the reason why his is sad and lonely is because he self-torments. Though in reality the young man only mis ses his beloved so greatly that he can’t help but feelRead More A Deconstructive Glance at Edgar Allan Poes The City in the Sea2445 Words   |  10 PagesA Deconstructive Glance at Edgar Allan Poes The City in the Sea Always mesmerizing, Edgar Allan Poes poems range from deep and depressing to dark and grotesque. Certainly this is true of his poem â€Å"The City in the Sea,† which is dark in tone and ambiguous meaning. What does it mean, and where did Poe come up with his concept? There are many possible answers to this question, and interpretations include the phallic and yonic symbols of Freudian theory and the idea of biblical cities as

Should Cigarette Smoking Be Banned Essay Example For Students

Should Cigarette Smoking Be Banned Essay Everyday 3,000 children start smoking, most them between the ages of 10 and 18. These kids account for 90 percent of all new smokers. In fact, 90 percent of all adult smokers said that they first started smoking as teenagers. These statistics clearly show that young people are the prime target in the tobacco wars. Smokers say they need to smoke because it makes them feel good and more relaxed. It helps to concentrate more and feel at ease. Or, they may just need to smoke because it’s so addicting. Despite these statements, the advantages and disadvantages just dont compare. One of the largest health disputes right now and for a prolonged period of time, has been smoking. No one seems to be doing much about the issue and the people that dont care the most and should, are the smokers. The smokers are the one’s who need to know how bad it really is. It seems the non-smokers are the people who oppose against this topic because they are affected by it too. Passive smoke, or second hand affects the non-smokers too. Tobacco smoke contains about 4,000 chemicals, including 200 known poisons. Every time someone smokes, poisons such as benzene, formaldehyde and carbon monoxide are released into the air, which means that not only is the smoker inhaling them but so is everyone else around him. Many studies now show that this secondhand smoke can have harmful effects on nonsmokers and even cause them to develop diseases such as lung cancer and heart disease. Secondhand smoke has an especially bad effect on infants and children whose parents smoke. A number of studies show that in their first two years of life, babies of parents who smoke at home have a much higher rate of lung diseases such as bronchitis and pneumonia than babies with nonsmoking parents. Tobacco use remains the leading preventable cause of death in the United States, causing more than 400,000 deaths each year and resulting in an annual cost of more than $50 billion in direct medical costs. Each year, smoking kills more people than AIDS, alcohol, drug abuse, car crashes, murders, suicides, and fires combined! Nationally, smoking results in more than 5 million years of potential life lost each year. Approximately 80% of adult smokers started smoking before the age of 18. Every day, nearly 3,000 young people under the age of 18 become regular smokers. More than 5 million children living today will die prematurely because of a decision they will make as adolescents—the decision to smoke cigarettes. Nicotine is a very addictive drug. For some people, it can be as addictive as heroin or cocaine. Within seconds of taking a puff of smoke, nicotine travels to the brain. It tells the brain to release chemicals that make you want to smoke more. Quitting is hard. Usually people make 2 to 3 tries, or more, before finally being able to quit. Studies have shown that each time you try to quit, you will be stronger and will have learned more about what helps and what hurts. Anyone can quit smoking. It does not matter about age, health, or lifestyle. The decision to quit and your success are greatly influenced by how much you want to stop smoking. How do we stop the future of America from smoking? Here are three things that the experts recommend. Try to convince the children that smoking is not cool. Talk to these kids at a young age about the dangers of smoking. Identify family members who smoke and ask them to stop. .u3a591e134a41a4340d9567f92c0ea898 , .u3a591e134a41a4340d9567f92c0ea898 .postImageUrl , .u3a591e134a41a4340d9567f92c0ea898 .centered-text-area { min-height: 80px; position: relative; } .u3a591e134a41a4340d9567f92c0ea898 , .u3a591e134a41a4340d9567f92c0ea898:hover , .u3a591e134a41a4340d9567f92c0ea898:visited , .u3a591e134a41a4340d9567f92c0ea898:active { border:0!important; } .u3a591e134a41a4340d9567f92c0ea898 .clearfix:after { content: ""; display: table; clear: both; } .u3a591e134a41a4340d9567f92c0ea898 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u3a591e134a41a4340d9567f92c0ea898:active , .u3a591e134a41a4340d9567f92c0ea898:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u3a591e134a41a4340d9567f92c0ea898 .centered-text-area { width: 100%; position: relative ; } .u3a591e134a41a4340d9567f92c0ea898 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u3a591e134a41a4340d9567f92c0ea898 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u3a591e134a41a4340d9567f92c0ea898 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u3a591e134a41a4340d9567f92c0ea898:hover .ctaButton { background-color: #34495E!important; } .u3a591e134a41a4340d9567f92c0ea898 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u3a591e134a41a4340d9567f92c0ea898 .u3a591e134a41a4340d9567f92c0ea898-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u3a591e134a41a4340d9567f92c0ea898:after { content: ""; display: block; clear: both; } READ: Volunteer Paper EssayChildren are the most valuable commodities we are given in life. We need to try and educate them while they’re young to be independent thinkers and to not be swayed by the tobacco companies who are trying to take advantage of their mind and body.