plastic pollution‚ the accumulation in the environment of man-made plastic products to the point where they create problems for wildlife and their habitats as well as for human populations. In 1907 the invention of Bakelite brought about a revolution in materials by introducing truly synthetic plastic resins into world commerce. By the end of the 20th century‚ however‚ plastics were found to be persistent polluters of many environmental niches‚ from Mount Everest to the bottom of the sea. Whether
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folks‚ recycling is free and/or cheaper than hauling away landfill garbage. Many communities either have or are running out of landfill space. Once the existing landfill space is used up‚ either a new landfill must be built (typically expensive and payed for through increased taxes)‚ or the garbage must be hauled off to a different area to be dumped (expensive and payed for through increased garbage rates). And‚ ev en so there will come a time that there will be no nice alternatives. Recycling has
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------------------------------------------------- Say no to plastics — Presentation Transcript * 1. SAY NO TO PLASTICS By Dibakar Bose * Plastics is one of the few new chemical materials which pose environmental problem. Polyethylene‚ polyvinyl chloride‚ polyester is largely used in the manufacture of Plastics Plastics is the general common term for a wide range of synthetic or semi synthetic organic solid materials suitable for the manufacture of industrial products .Plastics are typically polymers of high molecular
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Disadvantages of Plastics Disadvantages of Plastics are 1. FLAMMABLE – This is definitely an advantage in that they can be melted down‚ however soldering plastics can release toxic fumes into the environment. 2. COST OF RECYCLING – While recycling is a plus‚ recycling is a very costly endeavour. 3. VOLUME – In the United States 20% of our landfill is made up of plastics. As more products are being made of plastics‚ where will this lead us in the future? 4. DURABILITY – This is an advantage
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Determining the Density of Plastics 1) Introduction ⦁ a) Purpose: Determine density of different plastics ⦁ b) Hypothesis: If density is related to the ratio of mass to volume‚ then density can be calculated by using the formula D=M/V. i. c) Background: Density is the physical property that can be used to help identify substances. D=M/V. mass= found using a balanc and labeled in grams and volume=graduated cylinder or taking ( lxwxh ) measured in mL or cm3 2) Materials ⦁ a) List -graduated
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Is the recycling of plastics bringing any long-term benefits to the environment? Plastics are one of the most popular building materials of modern human culture‚ but its widespread has brought many problems and caused environmental issues of extraordinary scale. Throughout the years‚ discarded plastics are accumulating as debris in landfills and in natural habitats worldwide. To control this issue‚ governments of many countries have established industrial processes for transforming discarded plastic
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plastic-def. A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass‚ but they often contain other substances. They are usually synthetic‚ most commonly derived from petrochemicals‚ but many are partially natural. Plastics Characteristics Plastics are made from fossil fuels--petroleum‚ natural gas‚ coal--‚ wood and some plant materials‚ air‚ water and sometimes other common materials
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Look around at the local surroundings. How many objects are made of or just contain a bit of plastic? There is a high amount of plastic being used for all kinds of objects for daily use. Plastic is used all the time and most people never really think twice about it. Plastic is becoming too common in the world today and is harming our environment (Manrich. 2009). People do not realize the effects plastic over-usage has on the world but if each person were to really take time to think about this over-usage
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substances originating from living organisms‚ or artificial materials that are similar enough to plant and animal matter to be put to use by microorganisms ------------------------------------------------- ONE OPTION: BIODEGRADABLE Plastics Biodegradable plastic is plastic that has been treated to be easily broken down by microorganisms and return to nature. Many technologies exist today that allow for such treatment. Currently there are some synthetic polymers that can be broken down by microorganisms
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The Advantages of Recycling English 090 The Advantages of Recycling There are many reasons in which an individual should recycle items in order to reduce waste and help the natural environment from pollution. Recycling plastic‚ paper‚ and glass helps extend the life and usefulness of items that has already served its initial purpose by producing something that is useable. Different materials require different techniques when recycled. Recycling has a lot of benefits and
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