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أدوات الموضوع | انواع عرض الموضوع |
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#1
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They conducted spectroscopic analysis to show the chemical bonds in the plastic were breaking.
أكثر... ??????? ??????: Solution to curb plastic pollution? A caterpillar that feeds on polythene! || ??????: ahlam1399 || ??????: اسم منتداك
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