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Completa. Tipus de diccionaris
EduBook Organización
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Completa les frases: Els diccionaris estableixen la correspondència entre els mots de més de dues llengües. Els diccionaris indiquen l'origen de cada mot. Els diccionaris també solen incloure…
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Completa. Verbs poder i voler
EduBook Organización
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Ompli els espais buits amb les formes corresponents dels verbs poder i voler. Encara no (poder) entendre per què t'has deixat eixa faena. Si no (voler) que se us faça tard, poseu-vos el…
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Answer. Mixtures of materials
EduBook Organización
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Answer the following question: What is the name of an homogeneous mixture of substances in which the main constituent is metal?
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Learn... Measuring instruments
EduBook Organización
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To measure a magnitude, a suitable measuring instrument is required. These instruments can be: Analogue. The measurement is obtained using a scale made of a series of divisions marked with small marks.…
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Length and surface area
EduBook Organización
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3.1. Length The length of an object is the measurement along a certain dimension (usually the longest). The unit of length in the International System of Units (SI) is the metre (m). Multiples and…
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Introduction - 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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Final self-evaluation 9 - The Hydrosphere
EduBook Organización
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Complete the following sentences with the missing words: Drinking dirty is a major cause of illness. Human beings should only consume water. Three quarters of the Earth's is covered by oceans. Waste…
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Choose. Nutrition
EduBook Organización
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Choose whether the following living beings are autotrophic, heterotrophic or either autotrophic or heterotrophic: algae animals bacteria fungi protozoa plants
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Answer. Bacteria and humans 4.2
EduBook Organización
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What are bacteria used for in medicine?
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Answer. Bacteria and humans 4.4
EduBook Organización
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What well-known illnesses do bacteria cause?