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The term "plastics" covers a range of synthetic or semisynthetic organic condensation or polymerization products that can be molded or extruded into objects or films or fibers. Their name is derived from the fact that in their semi-liquid state they are malleable, or have the property of plasticity. Plastics vary immensely in heat tolerance, hardness, and resiliency. Combined with this adaptability, the general uniformity of composition and lightness of plastics ensures their use in almost all industrial applications today. Answer: ADVANTAGES Plastic is very useful in the building and construction, electronics (laptops wouldn't work well if they were made from glass), packaging (gladwrap), transportation industries. Very easy to make - water bottles, plastic bags, pens, cups etc etc The main advantages of plastic materials are also the reason why plastic is such a problem. It lasts forever and it is very cheap to make. When I say it last forever, I mean it does not biodegrade. There is a flotilla of plastic the size of Texas in the Pacific Ocean. It gradually photo-degrades into tiny pieces that enter the marine food chain. Plastic is good, light, strong and cheap to produce. There are many advantages to using plastic. It does not decompose but it can instead be recycled. This is done more easily than producing more plastic.

Unlike aluminum cans, plastic bottles can be re-used and stored over and over again. Plastic is usually not breakable and it is see-through. It's light-weight and odourless. Plastic comes from a natural resource (oil) but CAN'T be re-made into bottles (but they can be re-made into other items- WEIRD!) It takes a long time to break down... DISADVANTAGES it is a compound that is indestructible, even when it is melted the compound gas that is gives off is very harmful to our heath and environment; it weakens the ozone layer. Most plastic is produced from oil. The world is gradually running out of oil. Scientists are now developing plastics that are made from vegetable oil and other organic matter. This means that the plastic is more likely to be degradable, so it will be less of a problem in future. Another Disadvantage is pollution Plastic accumulation in the environment is a looming catastrophe. kj It is cheap but it is not easily disposable so it is in a lot of landfills. plastic bags can kill the marine animals and destroy the soil. Note: There are comments associated with this question. See the discussion page to add to the conversation.

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