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Uniform rectilinear motion
EduBook Organización
- 2285 visitas
2.1. Velocity In a moving car, the speedometer tells us what velocity it is travelling at, at any given moment (figure 1). Velocity is the distance travelled per unit of time. Average velocity If we…
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Learn. The life cycles of animals - Animal reproduction
EduBook Organización
- 2274 visitas
The term life cycle refers to all the phases that take place throughout the life of a species. If development is direct, the juvenile forms look like the adults. If it is indirect, they undergo…
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Jämtland Country - a region fuelled by biomass
EducaMadrid Organización
- 3883 visitas
In Jämtland County, a sparely populated and densely wooded are in central Sweden, more than 60% of all heat and power is derived from renewable sources. The county’s aim is to become a 100%…
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The fall of Russia's Tsarist Empire
EduBook Organización
- 2259 visitas
5.1. The empire of the Tsars At the beginning of the 20th century, the Russian Empire had the following characteristics: It was an autocratic regime supported by a loyal bureaucracy, a powerful army and…
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Mycorrhizas, a beneficial association
EduBook Organización
- 2235 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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Unit 2: The Earth's climate zones
EduBook Organización
- 2221 visitas
Bush (n): a large plant with lots of branches that is smaller than a tree and grows close to the ground. desert (n): an area of land that receives less than 250 mm of rain per year. Deserts can be hot,…
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True / False. The Internet
EduBook Organización
- 2220 visitas
Are these sentences true or false? In a network, computers work independently. The Internet is an enormous network of computers covering the whole world. The World Wide Web is a collection of billions…
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The Fascists in action
EduBook Organización
- 2212 visitas
At midnight (…) lorries arrived in these small towns. Inside the lorries were Fascists looking for the houses of the agricultural union leaders, and the small offices where the workers' leaders…