1 نتائج 'acid rain'
Acid rain (en)
Lluvia ácida (es), Кислотный дождь (ru), امطار حمضية (ar), مطر حمضي (ar), Pluie acide (fr)
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Air pollution
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Pollutants, Precipitation, Rain
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Science
> Pollution, disasters and safety
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http://vocabularies.unesco.org/thesaurus/concept1215