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Graduated Cylinder Decimal Places
849 wordsClosing the ports changed the color of the flame. Depending on the color of the flame is the combustion. When the flame was orange is had incomplete combustion, when the ports were closed and the flame turned blue, it had complete combustion which is wanted. Turning the needle valve at the bottom of the burner adjusted its height. A lower flame was needed more because it was more controlled and easier to work with, and using the needle valve accomplished this. When burning the evaporation dish, ...
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The Central Valley Agricultural Coalition
1,422 wordsThe Central Valley (also known as the Great Valley) is one of the most developed farming communities in the United States, and possibly the world. It is over four hundred and thirty miles long, and an average of fifty miles wide (about the size of England). It is totally enclosed by mountains including the Sierra Nevada. It is about one of the worlds largest valleys stretching from Redding to Bakersfield. It has two main water supplies, which are the Sacramento (from the north) River, and the Sa...
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Hydrogen Peroxide Wastewater Treatment
965 wordsThere are many reasons why we need to treat our water, and there are also many different ways we can treat our water. Water is very important to our survival. Regulations are set so that our water is healthy for us to drink. Without those regulations there could be things in our water to cause us to be sick. Some problems in parts of the country are heavy metals. One of the best ways to see if you have heavy metals in your water is to have a lab test your water. Turbidity can also be a problem. ...
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Carbon Dioxide Emissions Polar Ice Caps
1,483 words... to be correct." I think this is very foolish considering that the earth will naturally warm up again, and when it does that it will warm up a little more than it was before. But what I think Dr. Landscheidt is are saying is that it does not need to be dealt with so fast because the planet will cool down more. So we can do it slower and spend less money on it. But we do not know if the greenhouse effect will overpower the natural effects. Unfortunately, this scenario of normal raise in temper...
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Neuro Transmission Positive Charge
488 wordsneurotransmitters play a central and critical role in our psychological existence, identity, and experience of the world Neurotransmitters are chemicals that communicate between nerves. In some ways, neurons are like computers: they receive messages, process those messages, and send out the results as new messages to other cells. In the case of neurons, messages consist of chemicals that interact with the outer surface of the cell membrane. This chemical interaction with the cell membrane causes...
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World Trade Center U S Senate
1,551 wordsThe World Trade Center bombing in February, 1993, became a landmark in the new wave of terrorism, with civilians involved into the tragedy. The World Trade Center served as the target of the bombing. As a result of the terrorist act, six people were killed and more than thousand were injured. But taking into account the fact, that there used to be about 20, 000 people usually working at the Center simultaneously, and more than 80, 000 people visited or traveled along the complex, the consequence...
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Life Saving Car Accidents
652 wordsThe most dangerous job There are certainly risks associated with different jobs. Fireman is obviously the most dangerous job in Federal Fire Department. Lets dwell on risks associated with firemen's job, and try to find out whether the employees are adequately informed of the risks, and whether the risk is acceptable and reasonable. The main task of fireman is to act in case of emergency in different places in order to save peoples lives and liquidate the fire. Firemen jobs have to be ready arou...
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Genetically Modified Crops Genetically Modified Organisms
1,729 wordsGenetics An Essential Part Of Our Diet More genetically modified crops are appearing on the farms of the United States everyday, even though consumers may not know it. However, the good news is that these crops are planted because of their benefits to people. For example, according to the American Medical Association (AMA), More than 40 transgenic crop varieties have been cleared through the federal review process with enhanced agronomic and / or nutritional characteristics or one or more featur...
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Prince William Sound Advancement Of Science
1,394 wordsCleaning Up after the Exxon Valdez Was A Mistake Through many hours of research I have determined that the spill cleaning techniques used to clean the Prince William Sound area of Alaska did more harm than leaving the oil where it was. The Alaskan oil spill has become the most studied and managed event of its kind. Although there is not much that can be done about the marine life that came into direct contact with the crude oil, the geologic effects that the oil introduced into the area should h...
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Ozone Layer Ultraviolet Rays
962 wordsThe Problem The atmospheric ozone layer protects all living things from the harmful effects of the Sun. In recent years however, much damage has been caused to the ozone layer, causing it to decrease in size. The depletion of the ozone layer has and will continue to have many detrimental effects on all living things on this planet. A thinner layer will allow more of the suns ultraviolet radiation to reach the Earths surface. In particular, it will be the increase of UV-B rays which will have the...
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Toxic Chemicals Oil Spills
515 wordsExplain The Importance Of Preserving The Health Explain The Importance Of Preserving The Health And Diversity Of The Worlds Oceans. ESSAY # 1 Explain the importance of preserving the health and diversity of the worlds oceans. Our oceans are the most productive and more than likely the most helpful environment on the planet today. Oceans not only supply our ozone with life supporting oxygen, control the earths weather patterns, it also is home to over a million different species ranging from mamm...
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Figure 2 Figure 3
1,254 wordsFire Optics Pag Preface Fibre optics is an emerging form of technology that uses minute fibres of glass or plastic to transmit light. The light source and method of delivery can be modified to transmit computer data, such as images and sound, or simply luminescent light. In recent years, the advancement of fibre optic technology has increased greatly. Many of these advancements, along with an explanation of the technology and societal implications will be discussed within this essay. Introductio...
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Waste Disposal Air Pollution
403 wordsPollution contamination of the environment as a result of human activities. During the 20 th cent. Pollution problems have arisen in all industrialized areas as well as in various inland and coastal waters and stretches of ocean. The capacity of the biosphere to disperse, degrade, and assimilate human wastes is in question. An early sign of environmental limits was the air pollution of the industrial revolution, brought on by the burning of coal to run mills and machinery. It was not until after...
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Marijuana Smoke Smoking Marijuana
1,112 wordsSay No to Marijuana Legalization Marijuana also known as cannabis sativa is being used illegally by many Americans today of all ages. Before the 1960 s, many Americans had never heard of marijuana, but today it is the most used illegal drug in this country. All types of marijuana are mind-altering drugs. They all contain THC, the main active chemical in marijuana, along with over 400 other chemicals. This drug should stay illegal for many reasons concerning the health and safety of Americans tod...
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Nitrogen Oxides Nitrogen Dioxide
1,758 wordsGifted Chemistry IB Alternative Untitled Gifted Chemistry IB Alternative Assessment Photochemical Smog Historically, the term smog referred to a mixture of smoke and fog, hence the name smog. The industrial revolution has been the central cause for the increase in pollutants in the atmosphere over the last three centuries. Before 1950, the majority of this pollution was created from the burning of coal for energy generation, space heating, cooking, and transportation. Under the right conditions,...
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Central Nervous System Marijuana As A Medicine
1,366 wordsThe Legalization of Marijuana as a Medicine Imagine if one of your loved ones was suffering from a very painful, lethal disease such as cancer. There is a substance that can relieve their pain, but due to a law instituted several decades ago declaring that substance illegal they will be forced to suffer. If marijuana was legalized, strictly for medical purposes, then much of the pain and suffering experienced by cancer patients and those suffering from various other afflictions could be lessened...
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Lead To Death Family And Friends
2,047 wordsAnalytic Eating Disorders Chris Figueredo Analytic and Persuasive Writing Eating Disorders Eating Disorders are becoming commonplace in American society. Many factors are leading people into eating habits that are dangerous to their health. The four main types of eating disorders are; Anorexia nervosa, Bulimia, Anorexia athletic, and Binge Eating (Zero 2). A person who has one of these disorders is in risk of serious health problems which could eventually lead to death. Regonizing the warning si...
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Rachel Carson Wrote Rachel Carson Book Ddt
936 wordsRachel Louise Carson (1907 - 64), was an American marine biologist, and author of widely read books on ecological themes. Carson was born in Springdale, Pennsylvania, and educated at the former Pennsylvania College for Women and Johns Hopkins University. Rachel Carson taught Zoology at the University of Maryland from 1931 to 1936. She was an aquatic biologist at the U. S. Bureau of Fisheries and its successor, the Fish and Wildlife Service, from 1936 to 1952. Rachel Carson wrote 4 books includin...
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Second Hand Smoke Lung Cancer
1,130 wordsSmoking. What is it? Is it safe? What is in it? All these questions constantly appear in the minds of the world s youth. In due time, you will begin to discover the truths and myths of smoking both marijuana and tobacco. Many people wonder about the actual hazards of smoking. Some think that all the stuff that they see is what really happens. Not quite. Sometimes you might wonder what that is you re smoking. If so, do you even know what s in it? What is second hand smoke? Is it even dangerous? W...
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Son Of God El Paso
886 wordsSerial murderer Richard Ramirez claims to be the right hand man of Satan. During the time of the Roman Empire, a carpenter named Jesus claimed to be the son of God. Many ridiculed him and others believed him. Several people, according to oral traditions, believed Jesus was simply a man who had gone mad. Others believed in him and became his followers. He was given a death sentence ordered by Pontius Pilot on behalf of the people. It seemed the majority thought that Jesus should die. There was no...
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