I understand that plastics are bad for the environment but why are they so much worse then any other rocks and sand that are always present. If plastics can’t biodegrade why can’t they be considered as a somthing like sand after a certain point.
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Getting rid of concrete is problematic. It has a tendency to float to the surface when buried making it problematic as fill. (This takes decades to happen) plastic is also hard to get rid of the major difference is how these two substance interact with biological systems. Concrete is basically just rock and organisms have evolved to deal with small pieces of rocks and sand such that it isn’t a problem. Plastic on the other hand is very new no organism has evolved to deal with small pieces of plastic so that plastic can build up and cause problems. Plastic can also release organic chemicals as the deteriorate which can cause problems.
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