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2.
A plastic that is sustainable through addition of an additive.
Hey lets make our plastic sustainable with biosphere.

Why biosphere?

Biosphere makes plastic biodegrade.
by BioBigMan October 29, 2012
 
1.
A telephone chat line where people can leave and respond to voice mails and talk to one another.
I'm going to call the Biosphere cuz I'm so bored.
by Paco Rivera March 17, 2005
 
3.
1. A local Chatline used for teens to pretend they are not teens and for the older man to hook up with them
2. a chatline to chat with people when you cant sleep
Dude, Lets go on the biosphere tonight, I heard this hot chick last night on, and hopefully shes from the 909
by Eydie December 21, 2006