ENVIRONMENT|deterioration of the environment|pollution|atmospheric pollution
- fine cheimiceach Tagairt "Togra le haghaidh Treoir maidir le cáilíocht an aeir chomhthimpeallaigh agus aer níos glaine don Eoraip (athmhúnlú), CELEX:52022PC0542/GA Faomhadh an téarma seo mar chuid de Thionscadal Lex"
- ga
- Nóta <<<_not_supplied_>>>
- chemical family
- en
- Sainmhíniú group of elements that have certain similar properties and can form compounds with some similar properties Tagairt "ChemicalSafetyFacts.org » Chemistry 101 » 'Chemical Families: Sometimes Similar, But Far From the Same' (9.12.2022). American Chemistry Council"