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Relatiu amb antecedent global
EduBook Organización
- 1765 visitas
Relatiu amb antecedent global Oracions subordinades adjectives
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Talk about it. Plant nutrition
EduBook Organización
- 1759 visitas
Where do plants get the substances that they need to carry out their vital functions? Why do plants need the Sun? How does the vital function of nutrition differ in plants and animals? Why are plants so…
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Final Autoevaluation 1.02 - Plant nutrition
EduBook Organización
- 1766 visitas
J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…
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End-of-unit evaluation - Animal reproduction
EduBook Organización
- 1764 visitas
Reproduction is the only vital function that is not needed to keep an individual alive. It ensures the continuation of the species. Although sexual reproduction is a universal characteristic of animals,…
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Learn. Biomes - The natural environment. Ecosystems
EduBook Organización
- 1761 visitas
The name biome is given to zones of the Earth which have similar plant and animal populations. Each biome spreads over a large area, including different continents. On a given continent, there can be…
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Complete. The study of earthquakes
EduBook Organización
- 1764 visitas
Complete the text using the words below: Richter - seismographs - seismograms - seismic - magnitude waves travel through the Earth's interior. The instruments used to measure the waves are called ,…
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Analyse. The worst earthquake ever registered in Japan
EduBook Organización
- 1766 visitas
The worst earthquake ever registered in Japan A devastating earthquake measuring 8.9 on the Richter scale, the greatest ever registered in Japan since records began, has shaken the country; hundreds of…
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Calculate. Average velocity
EduBook Organización
- 1768 visitas
Calculate the average speed of a vehicle traveling a total 740 km in 12 hours. Round the answer to hundredths. vm = km/h = m/s
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Non-renewable sources of energy
EduBook Organización
- 1768 visitas
4.1. Coal Coal is a solid, black rock. It is the fossilised remains of huge masses of vegetation buried under the ground millions of years ago (figure 1). It is used mainly as fuel in coal-fired power…
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True/False. Photographic camera
EduBook Organización
- 1767 visitas
Answer true or false: The diaphragm regulates the passage of light. The objective lens is convergent. The objective lens consists of three or more lenses. The image formed within the chamber is larger…
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