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| atmosphere The gaseous envelope surrounding the Earth in a several kilometers-thick layer | |||
| atmosphere | |||
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ilmakeha : 32 a las frases, 7 temas |
| Agricultura | 1 |
| Ciencias de la tierra | 1 |
| Ciencias de la vida | 22 |
| Comunicaciones | 1 |
| General | 2 |
| Planificación municipal | 2 |
| Transporte | 3 |