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Pollution, environment and health
EduBook Organización
- 2189 visitas
4.1. Environmental effects of pollution The effects of pollution are harmful. The most important effects are the depletion of the ozone layer, the greenhouse effect and acid rain. Depletion of the ozone…
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True or false. Earthquakes
EduBook Organización
- 2183 visitas
Answer true or false: An earthquake last for hours. We feel all earthquakes. Large scale earthquakes can cause huge damage. The hypocentre is the point inside the Earth where the earthquake originates.…
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Copy and complete the crossword
EduBook Organización
- 2163 visitas
Copy and complete the crossword: Plants produce oxygen during … . Windmills were used to … wheat. A very strong wind which can cause a lot of damage. The layer of air that surrounds the Earth. A…
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Learn. Risks from volcanoes - Energy inside the Earth
EduBook Organización
- 2095 visitas
Volcanic eruptions can cause loss of human life and material damage. This can be because of the material ejected from the volcano or as a consequence of the seismic activity which usually accompanies…
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Final Autoevaluation T07 08 - Energy inside the Earth
EduBook Organización
- 2049 visitas
Indicate which concepts refer the following definitions: The forces that cause mountain chains to form are... Mountain chains are formed over ... The Andes mountain chain was formed by... A depression…
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Final self-evaluation 9 - The Hydrosphere
EduBook Organización
- 2044 visitas
Complete the following sentences with the missing words: Drinking dirty is a major cause of illness. Human beings should only consume water. Three quarters of the Earth's is covered by oceans. Waste…
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Final Autoevaluation T12 05 - Waves. Light and sound
EduBook Organización
- 1969 visitas
Sound and Noise Spain is the second noisiest country in the world after Japan. Especially in the big cities, people live surrounded by noise from traffic and construction work. This situation means that…
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Self evaluation 7 - Our planet Earth
EduBook Organización
- 1910 visitas
Re-write the sentences and correct the mistakes: The Solar System is made up of nine main planets, two dwarf planets and other celestial bodies. In aerial photographs, the Earth appears blue in colour…
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Unicellular and multicellular organisms
EduBook Organización
- 1 lo usan
- 1640 visitas
Unicellular organisms Some living things are made up of a single cell. These are called unicellular organisms. Cells in unicellular organisms can live independently and reproduce by growing and dividing…
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Check. The global financial crisis
EduBook Organización
- 1789 visitas
Remember what you have studied in this section and answer the questions: When and where did the financial crisis of the 21st century start? What caused it? What have governments done to try and…