Natural disasters

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Across
  1. 2. A dry land
  2. 4. Hot burning semi-liquid source
  3. 5. I shiver on the bed of the sea and then overload.
  4. 6. Causes a lot of damage
  5. 7. something you find on seas
Down
  1. 1. Something that causes typhoid
  2. 3. Someone who sends a trained set of people when a disaster