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Final Autoevaluation 1.02 - Plant nutrition
EduBook Organización
- 1817 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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Think about it. The responses of plants
EduBook Organización
- 1811 visitas
Remember what you have studied in this section and answer the questions: Discuss whether a plant would respond to light if the tips of the stem were cut off. Explain why poinsettias are typical…
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Mycorrhizas, a beneficial association
EduBook Organización
- 1815 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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True or false. States of matter
EduBook Organización
- 1815 visitas
Answer true or false: The particles are less tightly bound together in a solid. The particles in a gas move very quickly. All systems are composed of material particles. Liquids are compressed and…
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Non-renewable sources of energy
EduBook Organización
- 1818 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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A European's view of indigenous people
EduBook Organización
- 1821 visitas
The savage, barbarous negro is capable of all kinds of stupid things (...); in his native country, he is condemned to an eternal savagery and barbarity. He works for three weeks and then he thinks he…
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Initial evaluation T7 02 - Art in the 19th century
EduBook Organización
- 1822 visitas
Describe Goya’s painting The Third of May and relate it with the War of Independence, which was studied in Unit 4:
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Fascism in Italy
EduBook Organización
- 1821 visitas
3.1. Italy after the war For Italy, the human and economic after-effects of the Great War were enormous: more than 700000 dead, the nation's industry virtually destroyed, massive foreign debt and…
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Match. Opposition to Franco
EduBook Organización
- 1818 visitas
Match each type of opposition to the regime with the correct period: Creation of the CCOO union. Guerrilla resistance in mountain areas. The Church begins to oppose Francoism. Major strikes take place…
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