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Sabías que…
EduBook Organización
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La gran mayoría de los edificios que construyó Antoni Gaudí se encuentran en Barcelona. Entre los más destacadas deben citarse La Pedrera, la Casa Batlló, el Parque Güell y la Sagrada Familia,…
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La comunicació: definició i elements
EduBook Organización
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La comunicació: definició i elements La comunicació. Les funcions del llenguatge
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Check. The leaves make the food for the plant
EduBook Organización
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Remember what you have studied in this section and answer the questions: In which cells do the following functions take place: photosynthesis, gas exchange, transport of nutrients, absorption of light?
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Learn. Spontaneous generation - Animal reproduction
EduBook Organización
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In ancient times, many people believed that living things could be created spontaneously from decomposing material. Aristotle stated that flies and mosquitoes were produced spontaneously from mud in…
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Think about it. The responses of plants
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Remember what you have studied in this section and answer the questions: Discuss whether a plant would respond to light if the tips of the stem were cut off. Explain why poinsettias are typical…
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True or false. States of matter
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Answer true or false: The particles are less tightly bound together in a solid. The particles in a gas move very quickly. All systems are composed of material particles. Liquids are compressed and…
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Calculate. Pressure
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Calculate the pressure exerted on snow by the feet of a man with a mass of 81 kg if you know that the total surface area of the soles of his boots is 0,6 m2? Note: g = 9,8 m/s2. P = Pa
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Choose. Upthrust and buoyancy
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Choose the correct answer: What equals the upward thrust experienced by a submerged object in a liquid? What is the apparent weight of an object? What happens if the weight is less than the upward…