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The components of air
EduBook Organización
- 1 lo usan
- 1735 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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Answer. Air pollution 2
EduBook Organización
- 1939 visitas
What is the difference between primary and secondary pollutants?
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Answer. Water on our planet 6
EduBook Organización
- 1936 visitas
What is the percentage of fresh water on the planet?
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The classification of living things
EduBook Organización
- 1931 visitas
2.1. What is a species? To study biological diversity, it is necessary to identify, name and classify all organisms. A series of categories or groups exists that includes all organisms that share…
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Answer. Monera 3.1
EduBook Organización
- 1934 visitas
What are the characteristics of bacterial cells?
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Interpret. Poisonous mushrooms
EduBook Organización
- 1930 visitas
The following graph shows the number of deaths caused by eating poisonous mushrooms in a Spanish autonomous community from 2000 to 2009. Comment on the number of deaths. What could be the causes for a…
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Answer. Seed-producing plants 3.2
EduBook Organización
- 1944 visitas
What are the characteristics of seed-producing plants?
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Complete. Spain's landscapes
EduBook Organización
- 1940 visitas
Complete the following sentences with the correct words: One of the main economic activities in Mediterranean Spain is . In the Spanish interior, livestock feed on land. Natural allow large numbers of…
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Final self-evaluation 04 - The Earth's climate zones
EduBook Organización
- 1944 visitas
Look at the following climate graphs and match them with one of the Earth's climate zones:
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Classify. Democratic and non-democratic States
EduBook Organización
- 1941 visitas
Find out if the following states are democratic or non-democratic: United Kingdom United States North Korea Zimbabwe Japan Burma China Germany Canada