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Self-assessment T01 06 - Our planet Earth
EduBook Organización
- 1919 visitas
Are these sentences true or false? The process of erosion takes places before the process of weathering. Sedimentation is the process of depositing materials. Transportation takes place after the…
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Unit 14: Nature and society: harmony, crisis and impact
EduBook Organización
- 1892 visitas
Acid rain (n): rain that contains harmful chemicals as a result of burning fossil fuels such as coal and oil. aquifer (n): a layer of rock or earth under the ground that contains water. biodiversity…
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Match. Traditional sources of energy 01
EduBook Organización
- 1883 visitas
Which type of traditional energy source does each statement refer to? Its high calorific value means it is the most widely used form of energy. Today its use is restricted to producing thermal energy.…
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Bacteria and humans
EduBook Organización
- 1881 visitas
4.1. Industrial use of bacteria Many bacteria are beneficial because they are used in industrial processes. In the food industry, bacteria are used to make yoghurts and to turn wine into vinegar. They…
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Invetigate. Learn to observe different kinds of change in matter
EduBook Organización
- 1883 visitas
In this experiment you will observe physical and chemical changes in matter. Follow the instructions carefully. Copy and complete the table below. Place a half spatula of calcium carbonate into a test…
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Final Autoevaluation 1.03 - Plant nutrition
EduBook Organización
- 1856 visitas
Match the definitions to their concepts: The process by which glucose is synthesized from simpler substances using sunlight. This system transports elaborated sap. A tiny pore in the epidermis of leaves…
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Seed-producing plants. Angiosperms
EduBook Organización
- 1858 visitas
4.1. Angiosperms Angiosperms are plants with protected seeds that produce fruits. They have bright, colourful flowers. As well as vegetative organs (root, stem and leaves), angiosperms have…
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Spermatophytes (flowering plants)
EduBook Organización
- 1861 visitas
Characteristics of spermatophytes Spermatophytes reproduce through flowers. They are the most numerous of all the plant groups and include trees, grasses and cultivated plants. Spermatophytes are…
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Identify. Farming systems
EduBook Organización
- 1858 visitas
Match each sentence with the correct type of farming system: When land is used to grow only one type of crop, such coffee or cereals. When the water used to feed crops comes from rain. Growing the…
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Look at the diagram and answer the questions
EduBook Organización
- 1848 visitas
Look at the diagram and answer the questions: What does the diagram show us? What are the main gases in air? Is this sentence true or false? "Approximately 99% of the air is made up of nitrogen and…