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Manifestations of the Earth's internal energy
EduBook Organización
- 5399 visitas
1.1. The temperature inside the earth The surface of the Earth is cold, but we can see some evidence of the heat inside; for example, hot springs and volcanoes. This heat is due to several factors,…
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Summaries - The natural environment. Ecosystems
EduBook Organización
- 5376 visitas
1. The natural environment The distance between the Sun and the Earth, which creates temperatures suitable for living things. This temperature also makes it possible for there to be liquid water on…
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Impact 3. Student's Book
EduBook Organización
- 4723 visitas
0. Who are you? 1. Do you speak English? 2. A question of sport 3. Our world 4. Let’s celebrate! 5. Build it up 6. Money makers 7. Food 8. Our planet 9. Accidents happen! W. Writing bank S. Speaking…
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Introduction - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 1 lo usan
- 4462 visitas
Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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The Unites States: leader of the capitalist world
EduBook Organización
- 4375 visitas
4.1. The power of the United States After the Second World War, the United States became the most important capitalist power. This was due to several factors: Extensive technological and economic…
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Answer. Magma
EduBook Organización
- 4266 visitas
Answer the following questions: What is the core of the Earth's temperature in degrees Celsius? ºC What kind of reactions inside the Earth produce heat? What name is given to the mass of molten…
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End-of-unit activities - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 4220 visitas
Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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Final self-evaluation 11.03 - The Earth's Population
EduBook Organización
- 3948 visitas
Rewrite the sentences and correct the mistakes: We know how many people live on the planet thanks to a system of measuring the population known as a head count. The rate of natural increase is the…
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Choose. The exploitation of resources: problems
EduBook Organización
- 3873 visitas
Choose the best answer to each of the questions about the exploitation of natural resources: What is the main problem with non-renewable resources? Why is water a problematic resource? What is the…