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Recursos educativos
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Analyse. The history of weighing scales
EduBook Organización
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The history of weighing scales Scales, or balances, have been used since ancient times to weigh goods for trade. The design of weighing scales has changed over the years. Each new design tried, firstly,…
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Answer. The air and its components 5
EduBook Organización
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Where does the name greenhouse effect come from?
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Pollution, environment and health
EduBook Organización
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4.1. Environmental effects of pollution The effects of pollution are harmful. The most important effects are the depletion of the ozone layer, the greenhouse effect and acid rain. Depletion of the ozone…
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Evolution and biodiversity
EduBook Organización
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1.1. The great diversity of living things Species can change. They undergo a gradual transformation over time. This change is known as biological evolution. Biological evolution is due to a series of…
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Statues of Autonomy
EduBook Organización
- 2333 visitas
Spain's transition to democracy marked a fundamental change in its political and territorial organisation. 3.1. The Constitution of 1978 and the autonomous communities The Spanish Constitution was…
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Reflect. Birth rate and immigration
EduBook Organización
- 2334 visitas
How do you think the high birth rates among immigrant women affect Spain's population and society?
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The effects of migration
EduBook Organización
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3.1. Economic and social effects Economic effects International migration has economic repercussions. A lot of immigrant workers send home a portion of the money they earn in the receiving country. This…
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Analyse. Historic migrations
EduBook Organización
- 2327 visitas
The movement of populations People have been on the move since prehistoric times due to political, economic, social or religious factors. An example of migration motivated by economic factors was when,…
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Final self-evaluation (1) - Migration
EduBook Organización
- 2344 visitas
Complete the following text with the missing words: Populations are constantly changing because of factors such as increases or decreases in the and rates, as well as the arrival of foreign . Spain is…
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Contesta. Sobre les feines de la casa
EduBook Organización
- 2326 visitas
Observa les imatges i contesta les preguntes següents: A casa repartiu les feines com fan a les imatges? Per què? Saps quines coses s'han de fer a casa? Comenta-ho amb els companys. Quins…
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