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EKOLOGI 2

BERGARTER OCH JORDARTER. Mineral (kvarts, f?ltspat, glimmer)Bergart (sammanfogade mineral, ex. granit) Angrepp p? berg till f?ljd av av temperaturv?xlingar eller kemisk p?verkan kallas vittring.P?verkan av vatten, v?gor och vind kallas f?r erosion.Vittring och erosion omvandlar bergarter till jo

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EKOLOGI 2

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    1. EKOLOGI 2 Genomgćng av sidorna 98 – 109 i Naturkunskap A: Henriksson

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