Ụwa taa, mmetọ rọba na-adịwanye njọ. Plastic mmetọ apụtawo na elu ugwu nke Ugwu Everest, na ala nke South China Oké Osimiri ihe karịrị 3,900 mita miri emi, na Arctic ice mpempe akwụkwọ, na ọbụna na Mariana Trench… N'oge nke ngwa ngwa-akpụ akpụ ngwaahịa, anyị ea. ..
GỤKWUO