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Elements can be found in nature in different proportions. For example, on Earth, the most common elements are iron, oxygen and silicon (which is present in the silicon dioxide of the sand on beaches).…

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Decide what you like, but you must recognise your responsibility to allow this half of the human race to enter politics, so that politics are for both genders, because there is only one thing that men…

Final evaluation T10 09 - A time of conflict in Spain (1902-1939)

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