Recursos educativos página 12873

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Analiza unha imaxe
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Observa o ciclo biolóxico da ra e responde as preguntas: Por que os anfibios, como a ra ou o tritón, poñen os ovos na auga? Que tipo de respiración ten o cágado ou cabezón durante os primeiros…
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Sintetiza 3
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Cantas capas de células separan o aire do interior do alvéolo do sangue? Que grosor teñen esas capas?
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Os grupos sanguíneos
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Os grupos sanguíneos están relacionados coa presenza de determinadas proteínas na membrana dos glóbulos vermellos. Basicamente hai dúas proteínas, A e B, que actúan como antíxenos. As persoas…
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Analyse. Guild regulations
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Read the text and answer the questions: Nobody can be a weaver if they have not first bought the profession from the king [...]. Each person may have two looms at home [...] and each son of a master…
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Unit 4: The formation and expansion of the Peninsular kingdoms
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Count (n): a high-ranking nobleman with extensive property and influence. Marca Hispánica (n): an area between the Pyrenees and the Ebro River created by Charlemagne in 795 to defend the Franks against…
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True/false. The birth of the modern world
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Which of the following statements about the birth of the modern world are true or false?: The economic expansion of the 17th and 18th centuries was accompanied by a new way of understanding the world…
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Martin Luther
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Lutheranism was based on three fundamental principles: salvation through faith alone, universal priesthood and the authority of the Bible. Lutherans believed that each man could interpret the Bible…
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Europe in the 15th century
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During the 15th century, the economy and population of Europe began to recover. Great epidemics, such as the Black Death, came to an end and conditions in the countryside improved. This led to…
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Interpret. Population inequality
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Look at the graph and do the activity: Look at the graph and use the data to comment on the following statement: The world's inhabitants are distributed unevenly across the planet.
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Efectúa las siguientes operaciones:
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Efectúa las siguientes operaciones: 4 × (8 – 3) = 2 × (5 + 1) = 5 + (3 × 2) = 10 × (8 – 5) = 2 × 5 + 5 = 12 – 2 × 5 = (7 – 2) × 4 = 6 × 5 – 8 = 5 – 2 × 2 = 7 + (3 + 5) =
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