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Recursos educativos
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- Arte paleolítico
- Actividades ortografia imprimir
- Reproducción animal
- Experimento Torricelli
- El Egeo y Persia
- Proyectos escolares de quimica
- Actividades con divisiones por dos cifras
- Divisiones decimales
- Realidad aumentada
- Actividades de lengua para imprimir
- Paraules amb x
- El método científico
- Palabras con hue
- Palabras con r y rr
- leyendas para niños
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Answer. Air pollution 1
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Give some examples of activities that cause air pollution.
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Final self-evaluation 2 - The Atmosphere
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- 1426 visitas
Are the following sentences true or false? The atmosphere is 1024 km thick. Oxygen makes up 21% of the atmosphere. The exosphere reaches areas of the atmosphere where there is no air. The ionoshphere is…
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Did you know?
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The surface tension of a liquid is the resistance its surface gives when an object is placed on it. The surface tension of water acts like an elastic membrane, and it can support small objects, such as…
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Final evaluation 8 - The Earth's Crust
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What are the three main groups into which sedimentary rocks can be classified? Give examples of each type.
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The carbon cycle
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The carbon present in living things comes from atmospheric carbon dioxide. Plants and algae take in carbon dioxide through photosynthesis. They use it to make the biomolecules which they need to grow.…
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Final evaluation 10 - The Diversity of Life
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Lichens are important in the formation of soil. Explain what lichens are and why they are important.
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Final self-evaluation 10.10 - The Animal Kingdom (I). Invertebrates
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Match each characteristic with the correct group of invertebrates (arachnid, arachnid, crustacean or insect: A pair of chelicera and a pair of pedipalps. One or two pairs of legs on each articulated…
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Describe.Types of relief 02
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Define the following types of ocean relief: oceanic trench abyssal plain continental shelf
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Answer. Lanscapes of the Earth's climate zones 05
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Describe the two types of cold climate landscapes on Earth. In which landscape is life easier?
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Final evaluation 10 - Agriculture, livestock and fishing
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What is speculation in agriculture?