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Unit 6: The Hydrosphere
EduBook Organización
2512 visitas
Absorption (n): the process of taking in water or another substance. aquifer (n): a natural deposit of fresh groundwater found within porous rock. colourless (adj): having no colour. continental waters…
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Self-evaluation 10 - Society and the environment
EduBook Organización
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Re-write these sentences about the exploitation of resources by correcting the errors: Non-renewable resources will run out very soon. Unexploited non-renewable resources, such as water, are referred to…
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Upthrust and buoyancy in liquids
EduBook Organización
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7.1. Archimedes' principle If we try to submerge a ball in a container of water, the water exerts a vertical upward force known as upthrust. According to Archimedes' principle: A body totally or…
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Match. Basic concepts of agricultural landscapes
EduBook Organización
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Match each definition with the correct concept: Farming system in which the fields receive water from rainfall. Farming system in which the fields receive water from groundwater or canals and rivers.…
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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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Complete. Surface tension
EduBook Organización
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Complete the text with the missing words: object – greatest – membrane – less – mercury – resistance – solid The surface tension of a liquid is the of its surface to an placed upon it. The…
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Work it out. Animal reproduction
EduBook Organización
1 lo usan

1965 visitas
A scientist proposes to measure the effect of temperature on the growth of tadpoles. To do this, he prepares two tanks of water. Tank A contains water at 20 °C, and tank B, at 24 °C. He quickly…
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Unit 12: The organisation of urban areas
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Conurbation (n): an urban area made up of different settlements that have merged to form one continuous developed area. drinking water (n): water that is safe to drink. global city (n): a centre of…
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Investigate. Electrical energy
EduBook Organización
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The amount of electrical energy produced in hydroelectric power stations depends on the amount of water stored in the reservoir. When there is a drought, less electrical energy is generated because…
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Initial evaluation T1 02 - Our planet Earth
EduBook Organización
1976 visitas
Match the processes in the first column with their descriptions: Rocks are eroded away from their original location by water, ice and wind. Rocks are transported to a new location by wind, rivers and…
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