Environment and weather

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Across
  1. 3. A very dry area with little vegetation.
  2. 4. A long dry period without any rain.
  3. 5. The process of destroying things.
  4. 7. If the ground is shaking.
  5. 8. If the water in a river/sea is flowing in a specific direction.
  6. 10. When it's really hot.
  7. 11. The rise and fall of the sea.
  8. 13. Masses of ice high up in the mountains.
  9. 14. If rivers or lakes have too much water, this happens.
  10. 17. To hurt, harm or partially destroy something.
  11. 18. Frozen rain.
Down
  1. 1. A big hole in a mountainside or in the ground.
  2. 2. Another word for disaster.
  3. 6. If you don't want a sunburn, you need to go there.
  4. 9. Lightning and loud rumblings in the clouds.
  5. 12. Almost an island but with a connection to the mainland.
  6. 14. If you can't see far because you're inside a cloud on the ground, it's...
  7. 15. Introducing harmful materials into the environment.
  8. 16. Trash or garbage.