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True / false. The Earth
EduBook Organización
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Answer true or false: The Earth is flattened at the poles. From space, the Earth looks blue because of the oxygen in the atmosphere. The equator is an imaginary line that divides the Earth into east and…
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Introduction - Rivers and seas
EduBook Organización
- 6005 visitas
The hydrosphere is made up of all the water on the Earth. This includes the water in the seas, oceans, rivers, lakes, polar ice caps, groundwater and the water vapour in the atmosphere. Water is the…
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Unit 4: Rivers and seas
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Desalination plant (n): a factory that converts salt water into fresh water. erosion (n): the process of weathering and transportation of materials by a river. flow (n): the amount of water a river…
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End-of-unit evaluation - Rivers and seas
EduBook Organización
- 5331 visitas
The hydrosphere is made up of all the water on the Earth. This includes the water in the seas, oceans, rivers, lakes, polar ice caps, groundwater and the water vapour in the atmosphere. Water is the…
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End-of-unit activities - Rivers and seas
EduBook Organización
- 5245 visitas
The hydrosphere is made up of all the water on the Earth. This includes the water in the seas, oceans, rivers, lakes, polar ice caps, groundwater and the water vapour in the atmosphere. Water is the…
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Choose. The ozone layer
EduBook Organización
- 1 lo usan
- 4842 visitas
Consult the website about the ozone layer and choose the best answer to each question: Why is the ozone layer in the atmosphere important? Which types of substances destroy the ozone layer? Where are…
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Planet Earth
EduBook Organización
- 4888 visitas
2.1. The blue planet From space, the Earth looks blue. This is because of the oxygen in the atmosphere and the abundance of seas and oceans. The Earth is often given the name the Blue Planet. The Earth…
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The Earth is an ecosystem
EduBook Organización
- 4756 visitas
1.1. The elements of the Earth's ecosystem Planet Earth is made up of four interrelated elements: The lithosphere, or the Earth's surface. The hydrosphere, or all of the water on the planet. The…
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Introduction - The Hydrosphere
EduBook Organización
- 4498 visitas
The hydrosphere is the part of the Earth where water can be found. This water includes oceans, seas, rivers, lakes, snow, ice, groundwater and water vapour in the atmosphere. The Earth is the only…
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Test the properties of air
EduBook Organización
- 4476 visitas
What is air? Air is a mixture of gases. It forms the atmosphere around us. Air is made up of two main gases: nitrogen and oxygen. It also has other gases, including water vapour and carbon dioxide.…
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