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Was kann ich tun?
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textoFiltroFichatipo de documento Erdkunde und Umweltkunde - Experiment/Praxis
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Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?How deep do you need to go to find the place where organic material starts to turn into soil?
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Mira un ejemplo de lo que te pierdes
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Fecha publicación: 12.5.2016
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