science

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Across
  1. 2. overflow of water
  2. 5. uncontrolled fire, mostly occurs in the countryside and wilderness area
  3. 7. seismic waves, sometimes caused by geological faults and other events
  4. 11. includes a wide range of ground movements,cause by heavy rain
  5. 12. deficiency in water supply
  6. 13. caused by earthquakes and volcanic eruptions
  7. 14. erupts
  8. 16. event: collision in space
Down
  1. 1. rotating column of air
  2. 3. cyclone: characterized by a low pressure center and strong winds
  3. 4. caused by strong sustained winds, lasts about 3 hours or more
  4. 6. wave: hot weather for a long period of time
  5. 8. when the forces on the snow exceed its strength
  6. 9. strikes: electrical discharges
  7. 10. includes hail, strong winds, and heavy rain/snow
  8. 15. rare type of natural disaster, may cause tsunamis