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Nobles and castles
EduBook Organización
1447 visitas
Medieval society In medieval society the king ruled the country and below him there were three other groups of people: The nobles were very rich and often owned land. They also fought in the king's…
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The working class
EduBook Organización
1454 visitas
Working conditions The working class were the people who worked in factories in exchange for a wage. The factories were unhealthy and dangerous places, and the workers had to work long days. They…
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Spain and the European Union
EduBook Organización
1431 visitas
7.1. Spain's entry into Europe Spain was originally prevented from joining the EU because it was under a dictatorship. Negotiations on Spanish entry into the EEC began in 1979, by which time it was…
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The temperature of the earth
EduBook Organización
1417 visitas
Inside the Earth, temperature rises when you get nearer to the centre. This increase in temperature is known as the geothermal gradient. It is calculated that in the outer layers, it is 1 °C for every…
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Sound and noise
EduBook Organización
1420 visitas
What is sound? Sound is produced by vibrating objects. We perceive sound because we use our sense of hearing. When an object produces a sound, it travels through the air or other objects (walls,…
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Final self-evaluation 4 - The Hydrosphere
EduBook Organización
1410 visitas
Complete the text with the missing words: Water is a very good of all types of solid, and gaseous substances. Living beings absorb many substances for life because they are dissolved in . At the same…
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Life in the trenches
EduBook Organización
1386 visitas
The rats have multiplied recently, especially since we stopped cleaning the trenches (…), the rats here are particularly repugnant because they are so big. (…) They seem to be very hungry. They eat…
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Final self-evaluation 1.6 - Matter and Materials
EduBook Organización
1397 visitas
Complete the following sentences with the missing words: A group of atoms is called a . move around the nucleus of an atom. are made up of two or more different chemical elements. The formula for is…
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Self-assessment T02 09 - Spain's population
EduBook Organización
1395 visitas
Are these sentences true or false? A period of population growth started at the beginning of the 21st century in Spain. Life expectancy is the average number of years that people are expected to live.…
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Final self-evaluation (6) - Migration
EduBook Organización
1384 visitas
Complete the following sentences with the missing words: Emigrants are usually people and this benefits the receiving country because they are able to do a variety of jobs and they are of fertile age…
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