Science/Geography

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Across
  1. 1. Hills of sand formed by wind
  2. 4. Most of freshwater comes from this melting
  3. 6. A mountain that can erupt with lava and ash
  4. 7. A large bird that eats dead animals
  5. 10. A piece of land surrounded by water
  6. 11. A body of freshwater surrounded by land
  7. 12. A large animal with a hump, used for travel in deserts
Down
  1. 1. A dry region with very little rainfall
  2. 2. A large body of saltwater, smaller than an ocean
  3. 3. A huge body of saltwater covering most of Earth
  4. 5. A prickly plant that stores water in dry areas
  5. 8. The outermost layer of Earth Atmosphere
  6. 9. A green, wet area in a desert
  7. 13. A very tall natural landform, higher than a hill