1) Which of these are organic waste? a) bucce di banana b) bottiglia vetro c) bottiglia plastica d) lische di pesce  e) cartacce f) indifferenziata 2) Recognize glass recycling among these waste a) protoni b) dischi c) vasetto di vetro d) tappo metallico e) piatto in vetro f) tazza 3) Choose, among the objects, those to be included among the undifferentiated waste a) b) c) d) e) f)

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