500-1000 years 500 years 500 years me temo que no sabemos en realidad 500 years 500-1000 years 500-1000 years 500 to 1,000 years me temo que no sabemos en realidad up to 1,000 years hundreds of years hundreds of years estimate Lapidos preventing air and light from entering Slate 500 years a really, really long time to break down Slate 500 years 500-1000 years Microorganisms don’t recognize plastic hundreds of years 500 years 500 and 1,000 years for a really, really long time five hundred years or a thousand years 500 years 500-1000 years 500-1000 years harmful chemicals into the soil 500 years to decompose entre 50 et 1.000 ans pour se décomposer for a really, really long time 500-1000 years decades or centuries 500 years hundreds of years do not biodegrade up to 500 years 500 to 1,000 years 500 and 1,000 years to fully decompose. substantial amount 500 years to degrade hundreds of years scientists don’t really know hundreds of years 500-1000 years from 500-1,000 years 500-1000 years 500-1000 years 500-1000 years 500 years to decompose hundreds of years 500-1000 years 500-1000 years how long they remain in the ecosystem an estimate 500 years to decompose in a landfill 500-1000 years photodegrade 500 years 500-1000 years hundreds of years 500-1,000 years 500-1000 years preventing air and light from entering entre 50 et 1.000 ans pour se décomposer could take anywhere 500-1000 years take a year in the warm ocean 500 years 500 years 500 years hundreds of years entre 50 et 1.000 ans pour se décomposer 500 years 500 years hundreds of years 500-1000 years they may remain for the next 500 to 1,000 years 500-1000 years use hundreds or thousands of years me temo que no sabemos en realidad hundreds of years hundreds of years 500-1000 years 500 to 1,000 years 500 years 100 to 400 years to degrade in landfill sites 500 years 500 years 500 years a really, really long time to break down 500 years hundreds of years hundreds or even thousands of years to degrade