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Geography 3. Social sciences, geography
EduBook Organización
- 1 lo usan
- 10928 visitas
1. The Earth's surface: shaping human activity 2. The Earth's climate zones 3. The political organisation of society 4. The European Union 5. Spain: politics and territory G. Glossary 6. The economic…
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The Earth's Crust
EduBook Organización
- 10452 visitas
There are two large important areas on the surface of our planet: the continents, which constitute solid ground, and the seas and oceans. The continents and the ocean floor are formed of rocks. These…
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The representation of the Earth: maps
EduBook Organización
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- 7459 visitas
In the past, cartography (or map making) was a very slow process. It involved observation and complex calculations and drawings. Modern maps are made using aerial photos and images from satellites…
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Kinds of relief - The Earth's relief
EduBook Organización
- 7493 visitas
The combined action of internal and external forces shapes the surface of the Earth. The result is different kinds of relief. Mountains are a good example of a kind of relief that can condition human…
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External forces in the formation of relief
EduBook Organización
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3.1. External forces Relief is not only the result of movements inside the Earth. External forces, such as the effect of water or wind, can also change the shape of the planet's surface. The action…
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Internal forces in the formation of relief
EduBook Organización
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2.1. Internal forces Below the surface of the Earth, gases and compressed materials put pressure on the crust. They can deform it or make it crack. These internal forces are what cause earthquakes and…
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The Atmosphere
EduBook Organización
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The Earth is surrounded by a mixture of gases we call the atmosphere. The air we breathe is part of the atmosphere. The atmosphere is composed of a series of layers. The most important layer is the…
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The representation of the Earth: maps
EduBook Organización
- 5777 visitas
2.1. Maps Maps are flat representations of the Earth's surface. To read and interpret a map we need to know its basic elements: scale and conventional signs. Scale Scale indicates how many times the…
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Unit 4: Rivers and seas
EduBook Organización
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Desalination plant (n): a factory that converts salt water into fresh water. erosion (n): the process of weathering and transportation of materials by a river. flow (n): the amount of water a river…