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Recursos educativos
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Nivel educativo
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Competencias
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Tipología
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Idioma
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Tipo de medio
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Tipo de actividad
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Destinatarios
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Tipo de audiencia
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Creador
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La sociolingüística
EduBook Organización
- 1872 visitas
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Talk about it. Plant nutrition
EduBook Organización
- 1868 visitas
Where do plants get the substances that they need to carry out their vital functions? Why do plants need the Sun? How does the vital function of nutrition differ in plants and animals? Why are plants so…
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The formation of seeds and fruits
EduBook Organización
- 1884 visitas
5.1. The formation of the seed After fertilisation, the petals, sepals and stamens wither and fall off. The style and the stigma often also fall off. Only the ovary remains, containing the fertilised…
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Mycorrhizas, a beneficial association
EduBook Organización
- 1878 visitas
Certain fungi in the soil live with the roots of the majority of plants in a generally mutualistic association called a mycorrhiza. Mycorrhizas are found in the majority of trees in tropical zones and…
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Think about it. The periodic table and chemical formulas
EduBook Organización
- 1 lo usan
- 1686 visitas
Remember what you have studied in this section and answer the questions: Why do we use symbols for elements and compounds? → We use symbols… to make it easier to… Nomenclature is different in…
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Define. These terms
EduBook Organización
- 1881 visitas
Define this concepts: Trajectory, origin and position Displacement and distance travelled Circular and rectilinear motion Mass and weight Pressure Density Upthrust
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Ways to save energy
EduBook Organización
- 1879 visitas
Look at the pictures and answer the questions. Which of these measures do you apply? Which do you think are the most useful?
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True/False. Photographic camera
EduBook Organización
- 1878 visitas
Answer true or false: The diaphragm regulates the passage of light. The objective lens is convergent. The objective lens consists of three or more lenses. The image formed within the chamber is larger…
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Interpret. Social classes in the 19th century
EduBook Organización
- 1866 visitas
Do you think the differences between social classes are the same today as in the past? Give examples to support your argument.
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Unit 2: Liberal revolutions and nationalist movements (1789-1871)
EduBook Organización
- 1872 visitas
Absolutist (adj): supporting the idea that all power should be in the hands of one person. Battle of Waterloo (n): the battle in 1815 where Napoleon was finally defeated. bourgeois (adj): relating to,…