| We ought to get rid of them soon as we can or the bags will biodegrade on us. |
| The manufactured disposable dishes have a very long half-life, meaning that they biodegrade at an enormously slow rate. |
| It is not known how long it takes them to biodegrade but it could take hundreds of years. |
| That's not where it all ends, for it's been found that some types of synthetic material used for making cups doesn't easily biodegrade. |
| If released into water, maleic acid will probably biodegrade based on the results of screening studies. |
| Made from non-renewable oil resources, they are toxic, do not biodegrade, and are harmful to animals. |
