| Alkalimetalle |
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Natrium Natrium in Wasser Natrium unter Wasser Lithium und Kalium |
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They'll look back, and they will ask "What were you thinking? Didn't you see the glaciers melting? Didn't you see the North Polar ice cap disappearing? Didn't you see the deserts growing?" ...mehr 
Organisation, Initiativen, Schreiben, Schülerzeitungen, Aktionen - Der Verein Junge Presse Hamburg sucht engagierte Schülerinnen und Schüler. ...mehr
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| Glaubst du an Gott? Ich glaube an... |
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