BIODEGRADABLE, WHAT DOES IT MEAN? | | | | | | BIODEGRADAZIONE: È il processo attraverso cui una sostanza organica viene scomposta da altri organismi viventi.
| ( tradotto by: http://en.wikipedia.org/wiki/Biodegradable) This definition exists only on the English version of the encyclopedia online. This is also a sign of how in our country these arguments are little known and valued. BIODEGRADATION: The breakdown of a material into simple chemical compounds by the action of natural biophysical agents (bacteria, sunlight, humidity, etc..) (Garzanti Dictionary 1987) .
One can therefore say that virtually all existing materials are biodegradable to change is the time it takes for a material degradation and chemical compounds in which simple changes at the end of the process.
degradation time of a few items: - banana peels: 2-10 days - cotton rag: 1-5 months - Paper: 2-5 months
- orange peels: 6 months | - stockings Wool: 1-5 years - shoppers: 10-20 years
- polystyrene cup: 100 years
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The above definition is not exhaustive in our opinion, better than the following: 
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