This could then be focused by the student as follows: “Does ethanol concentration affect the activity of bovine catalase?” It is not sufficient for the student merely to restate the research question provided by the teacher. Variables are factors that can be measured and/or controlled. Independent variables are those that are manipulated‚ and the result of
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In this report，something about how to improve English ability will be analysed. During the last decade‚ I have been attending English course to the test and learning English continuously in China. In the following texts‚ firstly I will analyse my current level of English. Secondly I will describe what work I need to do to help my English studies. Next what work is the most effectiveness will be analysed. According to the scores of Ielts‚ reading is my strength because of the highest score among
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Another postulate of the kinetic molecular theory is that gas particles are always in motion‚ like the other states of matter. But they are different in that they undergo random translational movement. In solids‚ the particles mainly experience vibrational motion and in liquids they mainly vibrate and rotate‚ with some translational motion. Gas particles move rapidly in straight lines‚ unless acted upon by another particle or the walls of a container. This continuous contact with the container leads
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traditions. It allowed change to be made to Europe during the 17-18th century. It was started by philosophers such as Francis Bacon‚ Thomas Hobbes‚ and Sir Isaac Newton. Each philosopher compiled different ideas and knowledge in order for this movement to occur. They all were able to influence each other to learn more and govern themselves rather than by traditional authority. What is the Scientific Revolution? The Scientific Revolution was a time in Europe when modern science began to transform societies
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Since the beginning of time‚ humanity has wonder how are they going to end. There has been many speculations involving earthquakes‚ tsunamis; meteors‚ and even a second ice age. But is it the end closer than we thought? In the past 100 years‚ the human race has developed tremendously. The use of chemicals‚ such as gasoline are bringing pollution to the earth atmosphere. This is making the temperatures higher. And it’s affecting the planet in many ways. Antarctica‚ the world greatest freezer
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or Automatic Level Let us look at the history of surveying levels. Since the Dumpy level was invented in early 1700’s it has been considered the standard‚ that was up until around the 1830’s when the transit level was invented. Recently the level has changed faster than you can keep up with it‚ but through all this the Dumpy level has remained a reliable back up just in case the modern levels breakdown. A dumpy level‚ builder’s auto level‚ leveling instrument or automatic level is an optical
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- Truman commissioned report ‘To Secure these Rights’ 1947 with recommendations for improved civil rights - Generally Truman helped to awaken USA’s conscience to civil rights issues • Transport - Montgomery Bus Boycott (explain why this was successful) - Browder v Gayle 1956 (court case which confirmed that segregation on Montgomey buses was illegal) Lack of progress • Limits to progress in education and continued segregation - difficulties in
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The effect of the molecular weight to the rate of diffusion Based on the experiments‚ sd f f f f s wrefwe fwe rfwjv rwefhnw fwer fwe fwef fwe fwe fwe fwef wef w fwe fwe From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Sucrose is the organic compound commonly known as table sugar and sometimes called saccharose. This white‚ odorless‚ crystalline powder has a pleasing‚ sweet taste. It is best known for its role in human nutrition. The molecule is a disaccharide derived from glucose
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prolactin secretion‚ doctors may treat prolactinoma with the dopamine agonists bromocriptine (Parlodel) or cabergoline (Dostinex). Agonists are drugs that act like a naturally occurring substance. These drugs shrink the tumor and return prolactin levels to normal in approximately 80 percent of patients. Both drugs have been approved by the U.S. Food and Drug Administration for the treatment of hyperprolactinemia. Bromocriptine is the only dopamine agonist approved for the treatment of infertility
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Why does vandalism occur? Vandalism is everywhere‚ why do it? It is stupid and reckless‚ not to mention illegal! It occurs because of bad choices you as a person make‚ like who you surround yourself around and the friends you choose. Or because of the mood or mindset you are in. There are many reasons why vandalism occurs‚ but not many ways to putting it to a stop. Friends are not always your friends! Friends sometimes get you into sticky situations‚ but friends are not the one’s making your choices
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