Protection for the ozone shield. 1987


UI MeSH Term Description Entries
D007391 International Cooperation The interaction of persons or groups of persons representing various nations in the pursuit of a common goal or interest. Foreign Aid,Treaties,Aid, Foreign,Cooperation, International,Treaty
D010126 Ozone The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE). Ground Level Ozone,Low Level Ozone,Tropospheric Ozone,Level Ozone, Ground,Level Ozone, Low,Ozone, Ground Level,Ozone, Low Level,Ozone, Tropospheric
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000398 Air Pollution, Radioactive Contamination of air with radioactive substances. Radioactive Air Pollution,Pollution, Radioactive Air
D014481 United States A country in NORTH AMERICA between CANADA and MEXICO.

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