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Polyembryony Polyembryony is a type of sexual reproduction in which an embryo fragments into several identical embryos. They each develop independently. The young of each litter are of the same sex, as…

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Remember what you have studied in this section and answer the questions: What environmental conditions prevent the existence of life on the other planets in the Solar System? Why is light a limiting…

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Complete the text using the following words: subduction - edges - Iceland - hot spots - mid-oceanic Most volcanoes are found along the of tectonic plates. This is especially common in areas like ridges…

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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…

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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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Answer true or false: Temperature scales are graduated based on reference points which never change On the Celsius scale 180 degrees represents freezing and evaporating water. You can have different…

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3.1. What was the Enlightenment? The Enlightenment was an intellectual movement that developed in Europe during the 18th century. It criticised the Ancien Régime, and its system of power and beliefs.…

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In 1857, the Sepoys rebelled against the British when they were forced to oil their weapons using grease from cows and pigs, which was an offence against the Muslim and Hindu religions. The rebellion…

La lírica de preguerra

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