Question

How long are various non -biodegradable substances expected to last in our environment..

Answer 1

tin alluminium and other metal cans 100 to 500 years
plastic bags for several years

Answer 2

Their decomposition depends on various factors. But they almost take these many yrs.....................

- Nylon/Rayon - 30-40 yrs
- Aluminium - 350 yrs !!!
- Plastic bags -  10-25 yrs
- Styrofoam - 1-100 
- Leather - 25-40 yrs

:)