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Recursos educativos
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El expansionismo nazi
EduBook Organización
- 1 lo usan
- 2365 visitas
Las fronteras de 1914 no tienen ningún significado para nuestro porvenir. No nos han protegido en el pasado ni aumentarán nuestro poder en el futuro. No darán a la nación alemana solidaridad interna…
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La Unión Soviética y el bloque socialista
EduBook Organización
- 2546 visitas
5.1. La reconstrucción económica La Unión Soviética salió de la Segunda Guerra Mundial destrozada en el aspecto material, pero enormemente reforzada en su papel de líder de los comunistas del…
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Learn. [...]
EduBook Organización
- 2562 visitas
In our country, there is a great variety of ecosystems: mountainous areas with coniferous forests, deciduous forests, riverside woods, rocky or sandy coasts, lakes and even deserts. This diversity is…
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Complete. The tectonic plates
EduBook Organización
- 2555 visitas
Write the name of the tectonic plates: pacific - Nazca - south american - eurasian - antarctic Plate Plate Plate Plate Plate
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Check. Risks from volcanoes
EduBook Organización
- 2546 visitas
Remember what you have studied in this section and answer the questions: Can a volcano be dangerous if it is only emitting gas? Why? How can we avoid damage and the loss of human life during a volcanic…
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Unit 2: Animal nutrition
EduBook Organización
- 2555 visitas
Absorption (n): taking in a substance or energy from the surrounding area. aerobic respiration (n): respiration which takes place in the presence of oxygen. anaerobic respiration (n): respiration which…
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Did you know?
EduBook Organización
- 2553 visitas
The density, d, of an object shows the relationship between the mass, m, of the object and its volume, V: d = m / V The SI unit of density is kg/m3, but g/cm3 and g/dm3 are also used.
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Why do boats float?
EduBook Organización
- 2557 visitas
If we make a little boat out of a walnut shell, we see that it floats and we relate this to the fact that the walnut shell is less dense than water. But what about real boats? Some of them are huge,…
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Check. Simple machines
EduBook Organización
- 2559 visitas
Remember what you have studied in this section and answer the questions: Give the names of some simple machines and say how they work. The lever is one of the most commonly used simple machines. Mention…