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Answer. The planets of the Solar System 3
EduBook Organización
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Why is the surface of Venus so hot?
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Final evaluation 1 - The Universe and our Solar System
EduBook Organización
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Decide which of the following sentences are false and correct them: Most of the matter in the Universe cannot be seen. The Milky Way is located in the centre of the Solar System. The Bing Bang theory…
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Final evaluation 7 - The Atmosphere
EduBook Organización
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Choose the three magnitudes that most influence the weather: temperature air density cloud speed humidity atmospheric pressure demographic pressure Which of the above magnitudes also influence the…
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Answer. Water scarcity 1
EduBook Organización
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Is fresh water well-distributed on Earth?
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What some types of minerals are like - The Earth's Crust
EduBook Organización
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Precipitates Many minerals are formed by precipitation. This occurs when water evaporates or when dissolved substances stop being soluble and fall to the bottom of the sedimentary basin. Some of these…
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Reflect. Bacteria 3.1
EduBook Organización
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Read the text about saprophyte bacteria and do the activity: Saprophytes: They live on decomposing organic material and transform it into inorganic material (mineral salts). Plants use this inorganic…
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Match. How bacteria feed
EduBook Organización
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Match each group of bacteria with the way it obtains its food: photosynthetic bacterium parasites chemosynthetic bacterium saprophytes symbionts