- 問題詳情:ImagineamassoffloatingwasteistwotimesthesizeofthestateofTexas.Texashasalandareaofmorethan678000squarekilometers.Soitmightbedifficulttoimagineanythingtwiceasbig.Alltogether,thismassofwasteflowingintheNorthPacificOceanisknownastheGreatPacificOc...
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