Natural disaster

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Across
  1. 3. hot and cold air mixing together
  2. 4. an extreme snow storm
  3. 5. a tornado under water
  4. 6. low rainfall and shortage of water
  5. 9. when a volcano explodes of lava
  6. 10. violent shaking of the ground
Down
  1. 1. a natural overflow of water
  2. 2. storm with strong persistance of thunder
  3. 7. a tropical cyclone
  4. 8. very severe fires that spread extremely throughout land