Description : If someone leaves a can of goulash in nature, how long do you think the metal will decompose?
Last Answer : paper 4 months banana peel 5 months orange peel 1 year wool sock 1.5 year drink box without aluminum foil (kefir, fresh milk) 7 years cigarette butt with filter 15 years can 15 years plastic ... polystyrene tens of thousands of years (but maybe never) Source: Krasec.cz, Ekolist.cz, Fred13.blog.cz