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Complete. Classification of energy sources 01
EduBook Organización
- 3681 visitas
Complete the following sentences with the missing words: Energy sources are natural from which we can obtain . According to whether they can run out or not, energy sources can be classified as or . The…
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Adrenaline prepares for action
EduBook Organización
- 3352 visitas
In situations of danger or fear, the adrenal glands produce a hormone called adrenaline. This prepares the body for action, like running or hiding. This is called the fight or flight response.…
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Unit 4: Animal reproduction
EduBook Organización
- 1 lo usan
- 3113 visitas
Break off (v): to become separated from the main part of something. bud (n): a group of cells which differentiates and breaks off an animal to create a new individual by asexual reproduction. budding…
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David's house
EduBook Organización
- 3316 visitas
Houses did not have electricity Clara's great-grandfather lived in a village when he was young. Great-grandfather David's house did not have electricity. People used oil lamps or candles to…
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Peaceful coexistence
EduBook Organización
- 3216 visitas
You can like your neighbour or not. You are not obliged to become friends or pay him visits. But what do you do if neither of you want to move? There are only two options: war, which with today's…
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Communication by Internet
EduBook Organización
- 3061 visitas
E-mail E-mail (or electronic mail) is a system of sending messages from one computer to another. It is the most popular service on the Internet. The person who sends the message (or e-mail) is called…
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True/false. The stars and the Sun
EduBook Organización
- 2817 visitas
Are the following sentences true or false? The Sun rotates in an anticlockwise direction. The surface of the Sun is hotter than its interior. The diameter of the Sun is a hundred times that of the…
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Complete. E-mail
EduBook Organización
- 2584 visitas
Complete this text with the correct words: E-mail (or electronic mail) is a system of sending from one computer to another. It is the most popular on the Internet. The person who sends the message (or…