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Answer. The Earth's crust 1.4
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What are the most abundant geochemical elements? Where are the found?
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Plants
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1.1. The origin of plants Plants originated 500 million years ago, from green algae that started life in the sea and gradually adapted to life on land. Since then, plants have colonised the majority of…
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Describe. The characteristics of vertebrates
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With a word or short phrase describe the following characteristics in fish, amphibians, birds and mammals: Type of skin. Shape of body. Appendages. Respiratory aparatus. Body temperature regulation.…
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Unit 10: The Plant Kingdom
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Aerobic organism (n): an organism which requires oxygen to live. angiosperm (n): a plant which produces seeds that are protected by a fruit. bract (n): a hard, specialised leaf that is associated with…
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Learn. Reading a topographic map
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Topographic maps show the geographical relief of an area. Below is an example map (scale 1:25000) showing Matamorosa in Cantabria. Map reading guide The map key Look at the map key. Only the important…
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Match. Vegetation in Europe
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Match each type of vegetation with the correct European landscape: Tundra (bushes and grasses) is most common, which only grows when the ice melts. Mostly taiga, or scrub, made up of coniferous forest…
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Final self-evaluation 07 - The Earth's climate zones
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Complete the following sentences about Spain's landscapes with the correct words: The landscapes in the north and north east of the Peninsula are influenced by the , which makes the climate milder.…
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Spain and the European Union
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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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Investigate.The achievements of the EU
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If you want to learn more about the EU, log on to: http://www.tiching.com/73948 How many sections are there? What is each section about? What do you think are its greatest achievements? Why?
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Find out about...
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Different types of economic activity The economic development of a country is a reflection of its economic activity. Economic activity is made up of three sectors: the primary sector (agriculture,…
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