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Answer. Energy
EduBook Organización
- 4485 visitas
Answer the following questions in your notebook: Does energy produce changes in materials? What is a renewable energy source? And a non-renewable energy source? Name one disadvantage of non-renewable…
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Grammar: Verb tenses
Tiching explorer Organización
- 23 lo usan
- 8299 visitas
This digital educational content provides a good guide to improve your learning about verb tenses. It deals with all verb tenses: Simple Present, Present continuous, Present Perfect, Present perfect…
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Check. Air humidity and precipitation
EduBook Organización
- 4200 visitas
Review what you have studied and answer the questions: What is air humidity? How is it measured? How are clouds formed? What instrument is used to measure precipitation? What unit of measurement is…
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True / false. Hazards caused by human activity
EduBook Organización
- 3991 visitas
Which of the following statements are true or false: Environmental pollution is only produced when there are accidents or mistakes. There are often leaks of radioactive material from nuclear power…
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Correct. Oviparous animals
EduBook Organización
- 3964 visitas
Correct the underlined mistakes in the text with the correct words: shell yolk incubate embryo In oviparous animals, the zygote develops into an sperm inside the egg. The egg forms a protective white…
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Different ways of organising societies - Human Societies
EduBook Organización
- 3937 visitas
Throughout history, humans have come together to form groups, communities and societies. The most primitive forms of organising societies were based on the family and the tribe. Families and tribes…
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Videocast: Tips and tools for EFL and ESL learners, spell checking online
Tiching explorer Organización
- 7 lo usan
- 7376 visitas
The way we write tells a lot about ourselves. This episode focuses on the importance of running a spellchecker for everything we write online: emails, forums, blog comments, online forms, etc... Here we…
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Summaries - Animal reproduction
EduBook Organización
- 3605 visitas
1. Asexual reproduction in animals The type of reproduction seen in an organism is related to its complexity. The animals that have evolved the most, like vertebrates, reproduce sexually. In contrast,…
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ESL Teacher Handouts, Grammar Worksheets and printables
Tiching explorer Organización
- 1 lo usan
- 7440 visitas
This is a collection of grammar and vocabulary worksheets which can either be printed or done online. They are divided into beginner and intermediate level. The topics include: adjectives, adverbs,…
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Fungi and lichens
EduBook Organización
- 3318 visitas
6.1. Fungi Fungi are heterotrophic organisms (parasites or saprophytes) that have many different unicellular and multicellular forms: Mushrooms, which grow in forests and fields. Moulds, which grow on…