problemy ekologiczne inglês:

1. ecological problems

Inglês palavra "problemy ekologiczne"(ecological problems) ocorre em conjuntos:

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rozdział 7 cz 1
back to nature | 7

2. green issues

Inglês palavra "problemy ekologiczne"(green issues) ocorre em conjuntos:

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inne wyrazy (zagrożone gatunki)
unit 10 2/3 kolumna
environmentally friendly?
lessons' hand-outs

3. environmental problems