Big world

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Across
  1. 3. A mountain that can explode with hot lava.
  2. 6. A big area of water with land all around it.
  3. 7. A small place where people live, smaller than a ci
  4. 8. A very dry place with lots of sand and almost no water.
  5. 9. A big area of salty water, smaller than an ocean.
  6. 11. A small piece of land with water all around it.
  7. 12. A sandy place next to the sea or ocean.
Down
  1. 1. A big area with many trees.
  2. 2. Very high land, like a big hill.
  3. 4. A big place with many people and buildings.
  4. 5. Water that falls from a high place to a lower place.
  5. 10. Water that moves in a line, usually from mountains to lakes or seas.