Global Warming

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Across
  1. 3. when it rains a lot and water covers land that is normally dry
  2. 4. gas layer surrounding the Earth
  3. 6. a long period of dry weather when there is not enough water
  4. 8. the world around us
  5. 9. if you find out something that nobody knew about before
  6. 10. a glass house in which plants grow
  7. 13. the top layer of something
  8. 15. the average height of the sea
  9. 16. to lower, if something goes down
  10. 17. to put your name on a document
Down
  1. 1. to get used to a new situation
  2. 2. to give energy to a machine
  3. 4. a different course or choice
  4. 5. to agree to something or help
  5. 6. ten years
  6. 7. to become liquid
  7. 10. a large mass of ice that moves slowly down a mountain valley
  8. 11. gas that is sent into the air
  9. 12. to keep in and not let out
  10. 13. to continue to live and not to die
  11. 14. a group of people who travel to work together in one car