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Free research essays on topics related to: substances

243 results found, view free essays on page:

  • Solid Waste Toxic Chemicals
    1,297 words
    Environmental pollution encompasses the different ways that the human activity damages the natural environment. It can be in the form of an open garbage dump or as simple as a burning house. Pollution can also be invisible, odour less, and tasteless, thus, making environmental pollution one of the most serious and insidious problems facing humanity and other life forms today. One of the chief sources and most visible forms of environmental pollution is solid waste. In order to reduce solid waste...
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  • H 2 O 2 O 2
    709 words
    (H 2 O 2), a colourless liquid usually produced as aqueous solutions of various strengths, used principally for bleaching cotton and other textiles and wood pulp, in the manufacture of other chemicals, as a rocket propellant, and for cosmetic and medicinal purposes. Solutions containing more than about 8 percent hydrogen peroxide are corrosive to the skin. First recognized as a chemical compound in 1818, hydrogen peroxide is the simplest member of the class of s. Of the several processes of manu...
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  • York Franklin Watts Increase In Drug
    832 words
    My mother knew sports were the most important thing in my life. She tried to use my love of sports to keep me away from drugs. She told me drugs would keep me from performing at my best when I played football. But I had been reading the sports page since I was a little kid. I knew some of the best athletes in America were using drugs. Guys who could run a hundred yards in less than ten seconds were using drugs. They were doing great. Drugs werent hurting their performance. So I didnt pay any att...
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  • Soil Erosion Heavy Metals
    1,056 words
    Water pollution occurs mostly when people overload the water environment with wastes. Its defined as contamination of streams, lakes, underground water, bays or oceans by substances harmful to living things. Water is necessary to life on earth. All organisms contain it, some drink it, some live in it. Plants and animals require water that is moderately pure, and they cannot survive if their water is loaded with toxic chemicals or harmful microorganisms. If severe, water pollution can kill large ...
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  • Acupuncture As An Alternative Medicine In Western Society
    1,651 words
    Alternative medicine is a very general term whose definition can be very controversial. Basically, it is many holistic techniques for preventing and treating illnesses. Acupuncture, and many other therapies, have long been a part of Asian cultures and have recently been integrated into the Western culture. Since Acupuncture is such an important tradition in China, it has gained much respect from other cultures. Acupuncture is a strong component in China, and can be traced to their health care sy...
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  • Risk Of Developing Lung Cancer
    987 words
    Radiological Determinant of Water Asbestos is a general name applied to a cluster of silicate minerals consisting of thin, divisible fibers in a parallel arrangement. Asbestos was found in water and appears to be dangerous to health. Different criteria are used to recognize asbestos fibers, depending on the context. In general, the Occupational Safety and Health Administration (OSHA) regulate as fibers those particles of the regulated mineral classes longer than 5 m in length. Asbestos fibers do...
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  • Waste Products Raw Material
    869 words
    Recycling Programs Each of us throws out huge quantity of waste. On the average person throws out more than 360 kg of household waste products annually. And it is only waste products of the individual consumer. This average doesnt include building and industrial wastes. It is necessary to say that we throw out junk in organized way (in garbage cans, urns, etc. ) and in unorganized way (anywhere). If all junk which has been thrown out for a year by inhabitants of New York allocate by an equal lay...
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  • Good Or Bad Alcohol And Cigarettes
    1,131 words
    Sometimes in our lives we are tempted to follow others. Usually these people tend to be either stronger or more popular than we are. In schools today, most students fall under the influence of peer pressure. Peer pressure is when friends persuade you to doing something that you do not want to do. But maybe you want to do it, and you just dont have the courage to do it and your friends talk you into it. Peer Pressure can be broken down into two areas: good peer pressure, and bad peer pressure. Ba...
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  • Chemical Reactions Three Types
    890 words
    Chemical Chemical Reactions CHEMICAL REACTIONS Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named George Ernst Stahl was the first to speak of chemical reaction, specifically, combustion. He said that a substance called phlogiston escaped into the ai...
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  • Greatest Achievement Royal Society
    930 words
    Robert Boyle is considered both the founder of modern chemistry and the greatest English scientist to live during the first thirty years of the existence of the Royal Society. He was not only a chemist and a physicist as we know him to be, but also an avid theologian, a philanthropist, an essayist, and a beginner in medicine. Born in Lismore, Ireland to Richard Boyle, first earl of Cork, and Katherine Fenton, his second wife, Boyle was the youngest son in a family of fourteen. However he was not...
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  • Second Hand Smoke Smoking In Public Places
    723 words
    For Cigarette Smoking Cigarette Smoking For a long time now many people have different views about smoking in public places. Smokers feel it is their right to smoke where and when they want. On the other hand non-smokers feel smokers violate their rights and endanger there life. Smoking causes heart disease, lung cancer and other serious illnesses. Cigarette smoking is the number one cause of lung cancer. A substantial number of lung cancers that occur in non-smokers can be attributed to involun...
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  • Hazardous Waste Held Liable
    483 words
    Who Is Responsible For Cleanup Under CERCLA? What is CERCLA? The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLThe purpose of CERCLA is to make owners and operators of hazardous waste dump sites and contaminated areas, as well as their customers, responsible for cleanup costs and property damage. 2) CERCLA is also referred to as THE SUPERFUND. It is authorized to a level of 8. 5 billion dollars. The funding for CERCLA comes 87 % from taxes on the chemical industry a...
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  • External Objects Material Objects
    784 words
    Descartes is famed by is familiar notion, I think therefore I am (Cogito, ergo sum. ). It is a conclusion he has reached in his second meditation after much deliberation on the existence of anything certain. After he discovers his ability to doubt and to understand, he is able to substantiate his necessary existence as a consequence. What we doubt or understand may not ultimately correspond, but we can never be uncertain that we are in the process of thought. This idea is a major component in De...
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  • Mind And Body Method Of Doubt
    851 words
    Descartes applied illusion argument, dreaming argument, and evil genius argument that is called " method of doubt" to achieve his goals: Mind and body are two different substances, the complete separation of the mental world and the physical world. Once, he claims that even awake or asleep, two plus three is always five. Even evil genius fakes us, we probably think two plus three is four but in fact it always exist as five and it is always true. Lets look at this example: If I think th...
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  • Oil Spills Marine Environment
    458 words
    Amazing Biology Aquarium Assignment A major source of coastal pollutants, human sewage fouls bays and beaches with both toxic and nontoxic pollutants. Although billions of dollars have been invested in sewage treatment plants to treat wastewater, new and growing coastal communities have increased the amount of discharge into oceans and estuaries. The United States Office of Technology Assessment has identified thirteen hundred major industries and six hundred municipal wastewater treatment plant...
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  • H 2 O Mass Spectrometer
    531 words
    AMass Spectrometer Mass Spectrometer A mass spectrometer produces charged particles (ions) from the chemical substances that are to be analyzed. The mass spectrometer then uses electric and magnetic fields to measure the mass (weight) of the charged particles. There are many different kinds of mass spectrometers, but all use magnetic and / or electric fields to exert forces on the charged particles produced from the chemicals to be analyzed. A basic mass spectrometer consists of three parts: 1. ...
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  • Physical And Non Physical Shape Mass Mind
    460 words
    Mind-Body distinction We usually view the mind as the brain and body as something physical. The mind may be better known and understood when one is thinking. When thinking, the mind is made up purely of thoughts and the body is an extension. The mind is telling the body what to do. The mind is a mental entity and the brain itself is the physical body. Although one can not have a mind with out a brain, the mind and brain differ in which one is mental and the other physical. Together the mind and ...
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  • Make A Decision Peer Pressure
    954 words
    Though conforming to group is the easiest option, standing up for what you believe shows you to be a person of character. If a person doesnt use their morals to make decisions, there is much more room for conflict. People that are easily suggestible probably have a harder time determining what the right thing to do is. When a person reaches a certain maturity level he / she is forced to start deciding what the right thing to do is. They are no longer able to get away with doing what a group they...
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  • Immunodeficiency Virus Animal Research
    986 words
    THE IMPORTANCE OF ANIMAL RESEARCH by: Josh Wakefield Research on animals is important in understanding diseases and developing ways to prevent them. The polio vaccine, kidney transplants, and heart surgery techniques have all been developed with the help of animal research. Through increased efforts by the scientific community, effective treatments for diabetes, diphtheria, and other diseases have been developed with animal testing. Animal research has brought a dramatic progress into medicine. ...
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  • Nuclear Power Plants Coal And Oil
    1,999 words
    Plutonium, Our Countrys Only Feasible Solution Abstract: Should we begin to manufacture one of the most destructive and infamous substances on the face of the Earth once again? The engineers say yes, but the public says no. The United States stopped making this element with the ban on manufacturing nuclear weapons. But with the continuing problem with our ever-diminishing energy sources, some want us to begin using more nuclear energy and less energy from natural resources. I m going to discuss ...
    Free research essays on topics related to: nuclear reactors, sources of energy, nuclear power plants, coal and oil, fossil fuels

243 results found, view free essays on page:

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