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Limestone291 viewsLimestone exists since more than 2 billion years. - Limestone is out of CaO (Calciumoxide) and CO2 (Carbondioxide). The fixed CO2 in the limestone came mainly out of the atmosphere and also out of the water. Men did not exist
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Coast in France / Bretagne279 viewsBoats on the sand while low tide
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Limestone291 viewsLimestone exists since more than 2 billion years. - Limestone is out of CaO (Calciumoxide) and CO2 (Carbondioxide). The fixed CO2 in the limestone came mainly out of the atmosphere and also out of the water. Men did not exist Dec 29, 2007
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Coast in France / Bretagne279 viewsBoats on the sand while low tideDec 29, 2007
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