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| down-feathers; down | |||
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| dune | |||
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| dunes | |||
| sandhills; sand-dunes; barkhans | |||
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| sand dunes | |||
| sand dune | |||
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| dune A low mound, ridge, bank, or hill of loose, windblown granular material (generally sand, sometimes volcanic ash), either bare or covered with vegetation, capable of movement from place but always retaining its characteristic shape | |||
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Dunen : 19 a las frases, 5 temas |
| Ambiente | 3 |
| Automóviles | 2 |
| Biología | 7 |
| Ciencias de la tierra | 3 |
| Recursos naturales y conservación de la vida silvestre. | 4 |