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Did you know?
EduBook Organización
- 1868 visitas
Hydrocarbons, such as petroleum and its derivates, are the simplest type of organic molecules. They are made up of carbon and hydrogen atoms and come from the remains of organisms that died millions of…
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Match. Functions of the nutrients
EduBook Organización
- 1818 visitas
Match the main nutrients in plants to their functions. How do plants get their food? Carbon Dioxide (CO2) Functions: Obtain through: Water Functions: Obtain through: Mineral salts Functions: Obtain through:
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Indica as accións que o bisavó Xaime non podía realizar cando tiña a túa...
EduBook Organización
- 1809 visitas
Coller un refresco da neveira. Quentarse cunha estufa de carbón. Chamar por teléfono móbil. Lavar a roupa nunha lavadora. Xogar ao xogo das bólas. Xogar ao fútbol. Viaxar en tranvía. Conectarse á…
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Find out more
EduBook Organización
- 1674 visitas
The surface of a leaf has many tiny holes in it, called stomata. These allow carbon dioxide and oxygen to flow in and out of the leaf so that photosynthesis and respiration can occur.
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Greenhouse effect
EduBook Organización
- 1619 visitas
Water vapour and carbon dioxide are involved in the greenhouse effect. The atmosphere acts like a greenhouse. The atmosphere holds part of the heat radiated from the Earth. This keeps the Earth's…
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Think and answer. Plants at night
EduBook Organización
- 1607 visitas
At night, plants do not photosynthesise, but they continue to breathe. They absorb oxygen and release carbon dioxide. Why do you think it is not a good idea to sleep in a bedroom with plants?
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Match. Photosynthesis and respiration
EduBook Organización
- 1439 visitas
Match the plant's activities with the time of day when they happen: The plant releases carbon dioxide. ➝ The plant needs oxygen from the air. ➝ Photosynthesis does not take place. ➝ The plant…
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Responde - Fontes de enerxía non renovables
EduBook Organización
- 6005 visitas
Que é unha fonte de enerxía non renovable? Esgótase? Que orixe ten o carbón? Cal é a orixe do petróleo? Como se obtén o carbón? Onde se atopa o gas natural? Como se extrae o petróleo? Cres que…
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Completa. Fuentes de energía no renovables
EduBook Organización
- 4800 visitas
Completa el texto con las palabras adecuadas: Las principales fuentes de energía no renovables son el carbón, el petróleo, el gas natural y el uranio. El carbón es una roca sólida de color negro.…
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Completa. Fontes de enerxía non renovables
EduBook Organización
- 3368 visitas
Completa o texto coas palabras axeitadas: As principais fontes de enerxía non renovables son o carbón, o petróleo, o gas natural e o uranio. O carbón é unha rocha sólida de cor negra. Procede de…