World problems

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Across
  1. 5. a situation in which a lot of water covers an area
  2. 7. the process of cutting down the trees
  3. 8. a very big wave
  4. 9. a very strong storm
  5. 11. a state of a person of not having any home
  6. 12. a state of a person of not having any work
Down
  1. 1. when the air or water is dirty
  2. 2. a situation in which there is no rain for a long time
  3. 3. the process of temperatures becoming higher
  4. 4. if an animal might die out
  5. 6. when the ground is shaking
  6. 10. a very strong wind that goes in circles