Some of this is startling information about plastic.   I wonder how they'd know that it takes 450 to 1,000 years before this stuff disappears?  It hasn't even been around for that long . . . just askin'.....

https://www.farmersalmanac.com/how-long-until-plastics-decompose-34956

Then again, these are just estimates, I guess, but still . . . . . . . .