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Questions tagged [plastic]

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2
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0answers
22 views

Does long-term exposure to ocean water change the chemical structure of plastic into ocean plastic?

I've just been thinking a fair deal about ocean plastic and the ocean clean-up project. Is there something in saline water that changes the chemical composition of most plastics to make them pretty ...
1
vote
0answers
11 views

Equations for Mantle Flow and Isostatic Rebound

In my Geomorphology book there is a section on uplift caused by isostatic rebound and it goes over how the viscoplastic nature of the mantle and the mechanically detached asthenosphere allow a long ...
5
votes
2answers
131 views

Are plastics a carbon sink and how much carbon is released to the atmosphere making them?

If we were to make some technical jump to renewable fuel and renewable energy, would making plastics from oil release green house gasses, how much, and would plastic function as a carbon sink? Sorry ...
4
votes
1answer
104 views

Why don't we feed the plastics to the termites?

I may sound completely stupid but this idea hit me when I saw termites ate a plastic bag packed with papers today in my house. What are the challenges we're likely to face if we decide to do this?
6
votes
1answer
797 views

How much plastic settles to the bottom of the oceans each year?

This article says that 5 to 13 million metric tons of plastic go into the ocean every year. In the study At what point do floating plastics sink?, they give an estimate of the weight needed to sink ...
11
votes
1answer
480 views

Which geological processes will destroy plastic?

The geological record at the end of the Anthropocene will undoubtedly contain large volumes of plastic. However, some geological processes will completely destroy plastic (e.g. magmatic or chemical ...