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Photosynthesis and respiration
EduBook Organización
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4.1. Photosynthesis Photosynthesis is the process by which solar energy, absorbed by chlorophyll, is used to convert carbon dioxide and water into glucose and oxygen. water + carbon dioxide + solar…
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Final Autoevaluation 1.01 - Plant nutrition
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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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Compare the photos
EduBook Organización
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Look carefully at these two photos and answer the questions: In which of the two species has internal fertilisation taken place? Which of the two species is viviparous? ¿Cuál de las dos especies…
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How are folds formed?
EduBook Organización
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For a rock to bend without breaking, certain conditions are necessary during the process of deformation: The rock must be under great pressure and at a very high temperature. This gives the rock a…
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The propagation of heat
EduBook Organización
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Heat transfers from a hot object to a cold object by means of three mechanisms: conduction, convection and radiation. 6.1. Conduction Heat is transmitted through solid substances by conduction (figure…
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Match. Population growth
EduBook Organización
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Decide whether the following statements are causes or consequences of the population growth of the 19th century: Spanish farmers began to migrate to urban areas, which led to a growth of cities. The…
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Describe. Historicism and the Romantic painting
EduBook Organización
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Describe the painting: characters and action. How does the artist want us to feel about the massacre of Greek freedom fighters?
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Match. 19th century artists and works
EduBook Organización
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Match each artist with the correct artistic style: Delacroix Van Gogh Canova Courbet Il Canaletto Gaudí Renoir Friedrich
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Did you know...
EduBook Organización
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The British economist John M. Keynes argued that state intervention was the best way to escape from the crisis: public investment to provide employment, increased wages to boost consumption, etc.