The natural world

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Across
  1. 3. A large area of land covered with trees and plants, usually larger than a wood, or the trees and plants. themselves.
  2. 4. A mountain with a large, circular hole at the top through which lava forces out.
  3. 7. A violent wind that has a circular movement.
  4. 8. A tropical forest in which trees and plants grow very closely together.
  5. 11. An area, often covered with sand or rocks, where there is very little rain and not many plants.
Down
  1. 1. A large amount of water covering an area that is usually dry.
  2. 2. The change or process of changing from a solid substance to a liquid.
  3. 5. A very large area of sea.
  4. 6. The land next to or close to the sea.
  5. 9. The world on which we live.
  6. 10. A piece of land completely surrounded by water.