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The importance of plants in everyday life
EduBook Organización
- 2439 visitas
Part of our diet is made up of plant products. They are very important. They provide us with carbohydrates, vitamins, mineral salts and fibre, which are all essential for a healthy diet. When we eat…
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The origin of coal
EduBook Organización
- 2387 visitas
Much of the coal on Earth was formed 300 million years ago, during the Carboniferous period. The coal was formed where the climate was hot and humid, and there were extensive areas covered in lush…
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Final self-evaluation 11.01 - The Animal Kingdom (II). Vertebrates
EduBook Organización
- 2391 visitas
Complete the text with the missing words: gills – swim – gills – gill slits – bone – oxygen – depths – closes Fish breathe through . Water enters the mouth and passes through the , which…
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Keeping our lungs healthy
EduBook Organización
- 2335 visitas
We need to inhale clean air for our respiratory system to work properly. If there is less oxygen in the air, we have difficulties in breathing. This is why badly ventilated spaces are bad for our lungs.…
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Unit 8: The Earth, a Living Planet
EduBook Organización
- 2061 visitas
Asexual reproduction (n): the process of reproduction of a single organism by itself. autotroph (n): an organism that produces its own food for nutrition. bioelement (n): any of the chemical elements…
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Complete. Plants
EduBook Organización
- 2031 visitas
Complete the text with the missing words. autotrophic - sap – chlorophyll – 500 – sunlight – carbohydrates – roots – vessels water – xylem – phloem – sunlight – held – oxygen -…
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The importance of plants
EduBook Organización
- 2032 visitas
Photosynthesis is an essential process for plants because it provides them with food. It is not only plants that benefit from photosynthesis. All living things benefit for two reasons: Animals depend on…
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Unit 10: The Plant Kingdom
EduBook Organización
- 1840 visitas
Aerobic organism (n): an organism which requires oxygen to live. angiosperm (n): a plant which produces seeds that are protected by a fruit. bract (n): a hard, specialised leaf that is associated with…
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Top 22 Benefits of Trees
V&V Books Vicens Vives Organización
- 932 visitas
Here are 22 of the best reasons to plant and care for trees or defend a tree?s standing: Trees combat climate change Excess carbon dioxide (CO2) caused by many factors is a building up in our atmosphere…
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Chemical elements in the Universe and the Earth
EduBook Organización
- 1904 visitas
Chemical elements are found in different amounts in the Universe and on Earth. Hydrogen makes up 90% of all the matter in the Universe. The rest of the elements make up the remaining 10%. On Earth, the…
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