Atmosfera+-+La+atmósfera

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[|Global warming] - infografía
== [|las claves del salto de Felix Baumgartner desde la estratosfera] - youtube ==

[|Tamayoren aurkezpena]
== [|Atmosferaren geruzak] - Santillana en red ==

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media type="youtube" key="3wUzs-WDZus" width="560" height="315" = Actividades on line / Jarduerak on line =

[|Atmosfera - Agrega dbh1]
= [|Proyecto biosfera] =