Plastics are made from petroleum u microorganisms

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Plastics are made from petroleum  u Microorganisms cannot break down the  molecular structures of most plastics.  u Some plastics can last for hundreds of years –  like the Pacific Garbage Gyre.
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How long will it last? u Break up into groups of four, and evaluate the following list:  -  aluminum can  - paper bag  - cigarette butt  - cotton rag  - glass bottle  - banana  - leather boot and rubber sole  - plastic milk jug    - tin can  - wool sock  - Styrofoam cup Put this list in order, starting with the item that will break down the  fastest, and ending with the item that will last the longest.  Then write  your list up on the board!
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The order of degradation: u Banana  u Paper bag  u Cotton rag  u Wool sock  u Cigarette butt  u Leather boot  u Rubber sole of boot  u Tin can  u Aluminum can  u Plastic jug  u Styrofoam cup  u Glass bottle   u Now, try and estimate how long each item will  last.  Write it on the board when you’re done.
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How long??? u Banana – 3 to 4 weeks u Paper bag – 1 month u Cotton rag – 5 months u Wool sock – 1 year u Cigarette butt – 2 to 5 years u Leather boot – 40 to 50 years u Rubber sole of boot – 50 to 80 years u Tin can – 80 to 100 years u Aluminum can – 200 to 500 years u Plastic jug – 1  Million years u Styrofoam cup -  Unknown u Glass bottle -  Unknown
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Different types of solid waste u Municipal solid waste  is the waste produced by  households and businesses. u
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Plastics are made from petroleum u Microorganisms cannot...

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