On 3/31/2016 2:43 PM, Gila Blots wrote:
> On 3/30/2016 4:23 PM, jmcquown wrote:
>
>> On 3/30/2016 6:47 PM, notbob wrote:
>>> On 2016-03-30, jmcquown > wrote:
>>>
>>>> Ain't that the truth! However, the tubes aren't biodegradable like the
>>>> cans are.
>>>
>>> You think the cans are biodegradable? Why?
>>>
>>> nb
>>>
>> Metal rusts. Who the hell knows what happens to plastic tubes of tomato
>> paste?
>
> Rust is not a form of biodegradation. Metal is inorganic and thus not
> biodegradable.
>

Rust is oxidation, the losing of electrons. Biodegrading is done by
microorganisms. I guess the term is used loosely when something
degrades or disappers by any form of nature.