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Self-evaluation 3 - Society and the environment
EduBook Organización
- 1575 visitas
Which concept refers to each of the following definitions: Contamination of the atmosphere caused by different agents, such as factories and motor vehicles. A gradual alteration in the planet's…
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True/false. European industry
EduBook Organización
- 1582 visitas
Are the following statements true or false? Industry employs 25% of the EU's active working population. The Ruhr valley is the UK's main industrial area. Fragmentation in the EU has created…
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Mycorrhizas, a beneficial association
EduBook Organización
- 1564 visitas
Certain fungi in the soil live with the roots of the majority of plants in a generally mutualistic association called a mycorrhiza. Mycorrhizas are found in the majority of trees in tropical zones and…
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The components of air
EduBook Organización
- 1 lo usan
- 1337 visitas
2.1. Air: a mixture of gases Air is made up of a mixture of gases. The main gases are nitrogen and oxygen. Other gases such as water vapour, carbon dioxide and ozone are present in smaller quantities.…
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Learn... Separation of mixtures
EduBook Organización
- 1467 visitas
There are different techniques to separate the components of a mixture. In addition to evaporation, which we already know, there is: Filtration Filtration is used to separate a liquid from an insoluble…
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Other components of our Solar System
EduBook Organización
- 1465 visitas
4.1. Satellites Satellites are small bodies that do not move around the Sun. They move around other bodies in the Solar System. Most satellites are spherical, such as the Moon, although there are also…
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Final self-evaluation T14 03 - The world today
EduBook Organización
- 1391 visitas
Rewrite the sentences and correct the mistakes: After the 9/11 attacks, the USA declared a war on terrorism, invading Afghanistan in 2002 and Iraq in 2003. The reunification of the USSR happened in…
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The six major food groups
EduBook Organización
- 1365 visitas
Foods are classified into six major food groups according to the nutrients they contain. It is important to have a balanced and healthy diet. Cereals such as wheat and rice, products made from cereals…
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Before you start - The Earth and the Moon
EduBook Organización
- 1360 visitas
Didactic objectives To question oneself on natural phenomena such as the changes in the seasons, the phases of the Moon, eclipses and tides. Compare the information provided with previous knowledge.…