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Mers en danger

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Lucas & sara 3ª temp_3

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Extrait de l'émission "Matière grise" diffusée sur la RTBf le 04/03/2007 expliquant le phénomène d'"eutrophisation" qui menace nos mers et océans.

Channel: Not attributed

Uploaded: 03/04/07

04:38

French

Tags: ocean mer danger ecologie environnement eutrophisation asphyxie pollution nitrates

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