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Across
  1. 1. a danger or risk
  2. 3. a catastrophe that causes damage
  3. 4. the process of closely observing something
  4. 5. the study of physical features
  5. 6. the communication of 2 people, animals, ect.
  6. 8. the act or process of changing
Down
  1. 2. The ability to be maintained at a certain level
  2. 7. a financial saving