|
Scienceray > Tags > biodegradable
|
 |
biodegradable |
|
|
 | | Life Before Plastic | | by Roger Harris, Jun 21, 2008 | | There really was a time on Earth when plastic did not exist. Actually, plastic is a rather recent human invention, one which most people would never choose to omit from their lives. | | Comments(1) Liked It: 1 |
|
|
