Global Warming - Vocabulary

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Across
  1. 1. water that is not salty
  2. 6. to threaten with extinction
  3. 7. going up
  4. 9. going down
  5. 10. nature
Down
  1. 2. getting bigger
  2. 3. land for farming
  3. 4. from a solid to a liquid state
  4. 5. break
  5. 8. getting smaller