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Air pollution is the presence of substances in the atmosphere that are harmful to humans and other living beings, or cause damage to the environment. Air pollution can be chemical, physical or biological. [1]
Nguyễn Thị Bình (Vietnamese pronunciation: [ŋwiən˦ˀ˥ tʰi˧˨ʔ ʔɓïŋ˨˩]; born Nguyễn Thị Châu Sa [ŋwiən˦ˀ˥ tʰi˧˨ʔ t͡ɕəw˧˧ saː˧˧]; 26 May 1927), also known as Madame Bình, [1] [2] is a South Vietnamese revolutionary leader, diplomat and politician.