Beautiful World

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Across
  1. 3. a piece of land that is completely surrounded by water
  2. 7. having a lot of healthy plants
  3. 8. a large area of land that is covered with trees
  4. 9. a naturally raised area of land, not as high or craggy as a mountain
  5. 10. a slowly moving mass of ice formed by the accumulation and compaction of snow on mountains or near the poles
  6. 12. a deep valley with very steep sides of rock that usually has a river running through it
  7. 13. a steep rock face, esp. at the edge of the sea
Down
  1. 1. very dry, receiving very little rain
  2. 2. an area of lower land between two mountains or hills
  3. 4. very impressive
  4. 5. a large underground chamber, typically of natural origin, in a hillside or cliff
  5. 6. a way or track laid down for walking or made by continual treading
  6. 8. smooth and level, without higher or lower areas
  7. 11. a thick forest with many large plants and tall trees growing very close together, usually in an area that receives a lot of rain