_:b670486617 . _:b670486617 "A microplastic particle which is derived from the breakdown of larger plastic debris." . _:b670486617 . _:b670486617 . _:b670486617 . _:b670486617 "https://en.wikipedia.org/wiki/Microplastics" . _:b670486617 "https://marinedebris.noaa.gov/file/2192/download?token=5dvqb-YY" .