Climate and Environment

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Across
  1. 1. an indication that something has been present
  2. 4. capable of igniting and burning
  3. 5. severe of weather
  4. 7. the act of emptying something of a principal substance
  5. 9. a disastrous event marked by great loss ans lasting distress and suffering
Down
  1. 2. a strong current of air, a wind from 32 to 63 m/ph (51 to 102 km/h)
  2. 3. being od crucial importance
  3. 4. a sudden violent change in the earth's surface
  4. 6. moderately warm, lukewarm
  5. 8. incapable of being surmounted
  6. 10. excessively dry, having insufficient rainfall to support agriculture