Plastics are synthetic substances produced by chemical reactions. Almost all plastics are made from petroleum‚ except a few experimental resins derived from corn and other organic substances. "Plastics" derived their name from their properties to be molded‚ cast‚ extruded or processed into a variety of forms‚ including solid objects‚ films and filaments. These properties arise from their molecular structure. Plastics are polymers‚ very long chain molecules that consist of subunits (monomers) linked
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Plastics have been around for a long time now. It has been said that even before Alexander Parke’s major pioneering contribution to the development of plastics from cellulose nitrate in the 1850’s‚ plastic like materials have been in use by mankind for centuries. Now life without plastic cannot even be imagined. Almost every piece we use day to day is either a plastic or has plastic components in it. Because plastics can be made into products of different strengths and flexibility we can find plastic
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to face numerous serious problems associated with pollution. Pollution including air and water pollution may be defined as the result of human activities and natural factors has impacted on human health as well as environments (Wikipedia‚ 2010). This essay will discuss the rapid increasing pollution levels in the three cities of Bangkok‚ Bangladesh and Melbourne and analyze the approaches related to the strategies of government to alleviate pollution. It will then present the actions and cooperation
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MCGOWAN ENG 115-021 The Causes of Pollution and The Effects on the Economy and People of Lake Huron Amy McGowan Strayer University English 115-021 English Composition
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An Analysis of the Main Causes of Cardiovascular Diseases There are a great number of diseases such as cancer and HIV around the world. However‚ cardiovascular disease (CVD) is now arousing public attention due to its increasing effect on populations. ‘Cardiovascular disease (CVD) is the name for the group of disorders of heart and blood vessels such as hypertension‚ coronary heart disease‚ stroke‚ and peripheral vascular diseases’ (WHO‚ 2012). CVD has enormous impacts on health and kills an estimated
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Asthma and air pollution What is Asthma? Asthma is a chronic disease that affects the air passages of the lungs. It´s characterized by recurrent attacks of wheezing and loss of breath. These episodes or attacks can happen many times a day‚ a week or when exposed to certain substances or in specific physical activity. The World Health Organization estimates that around the world about 300 million people suffer asthma‚ the majority children. In fact it is consider the most common chronic disease
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Daly‚ A. and P. Zannetti. 2007. An Introduction to Air Pollution – Definitions‚ Classifications‚ and History. Chapter 1 of AMBIENT AIR POLLUTION (P. Zannetti‚ D. Al-Ajmi‚ and S. Al-Rashied‚ Editors). Published by The Arab School for Science and Technology (ASST) (http://www.arabschool.org.sy) and The EnviroComp Institute (http://www.envirocomp.org/). Chapter 1 An Introduction to Air Pollution – Definitions‚ Classifications‚ and History Aaron Daly and Paolo Zannetti The EnviroComp Institute
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Current plastic bag use and disposal‚ both by consumers and through waste management activities‚ not only create environmental problems‚ but also reinforce the perception of a wasteful society. Plastic bags as litter create a visual pollution problem‚ and affect our aquatic wildlife. Many of the grocery store use the plastic bags as a tool to keep the things easy to carrying. Plastic bags aren’t just at the grocery store‚ there every where‚ landfills‚ the oceans and lakes‚ hanging on trees around
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Revolutions of 1848 HIS 4402 Many historians tend to link the main cause of the European Revolutions of 1848 to the surge of liberal and nationalistic ideologies that seemed to enlighten the newly developed middle and working classes of the European Industrial Revolution. However‚ many historians forget the pre-revolutionary economic crisis’s that began to build in Europe as early as 1830 that eventually caused Europe to erupt in 1848 . Although the rise of liberal and nationalistic
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Determining Causes and Effects of Lake Huron Brian Jones Weber English Composition 5/19/2013 In today’s Ecosystem there are so many factors of cause and effect of pollution in any areas of the world. Pollutants affect the air that keeps us breathing‚ the animals that we hunt or fish‚ and even the water that we drink. Food‚ water‚ and oxygen are the most important things we need in order to survive a world full of life. With this being said Lake Huron and the other Great Lakes are being extremely
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