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Las preposiciones y las conjunciones
EduBook Organización
- 1 lo usan
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Las preposiciones y las conjunciones El significado de las palabras
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Applications of in vitro cultivation of plants
EduBook Organización
- 2552 visitas
The most important applications are: Propagating large numbers of plants. Obtaining new hybrids. Cloning plants with desirable characteristics. Producing synthetic seeds. Genetically improving plants,…
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Summaries - Matter and its properties
EduBook Organización
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1. Matter Matter is anything which has mass and volume. For example, the Sun, the Earth, and human beings are all made up of matter. A physical system is any part of the Universe which is made up of…
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Calculate. Forces
EduBook Organización
- 2555 visitas
Remember what you have studied in this section and answer the questions: A dynamometer has a spring with a modulus of elasticity k = 150 N/m. What force will be required to extend it 30 cm? Calculate…
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Learn. Some optical instruments - Waves. Light and sound
EduBook Organización
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Some optical instruments Most optical instruments, like microscopes or telescopes, consist of lenses, mirrors and prisms. Lenses Lenses are disc-shaped, and one or both sides are curved. They are made…
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Analyse. Absolutists and patriots
EduBook Organización
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Look at the diagram and answer the questions: Describe the members of each political group. What sub-groups were there among the patriots? What did they have in common? What differences were there?
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Check. The Civil War
EduBook Organización
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Remember what you have studied in this section and answer the questions: Why did the Spanish Civil War cause such concern in the international community? Give examples. Would you fight in a civil war? Why?
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Did you know...
EduBook Organización
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Towards the end of the 20th century, the rapid growth of new information and communication technologies added a whole new dimension to art. The use of videos meant that the concept of time became a part…
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Rodolins
Carme Raurich Organización
- 1 lo usan
- 2370 visitas
Vídeo on podem veure els rodolins que han escrit els alumnes d'una classe de 1er de Primària.
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Autoevaluación 7 - Ecuaciones
EduBook Organización
- 2535 visitas
Resuelve estas ecuaciones de segundo grado incompletas: 3x2 – 21 = 0 → x = y x = x2 – 17x = 0 → x = y x =