Wild world

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Across
  1. 4. a small, hard ball of ice that falls from the sky like rain
  2. 7. a system used to measure the strength of an earthquake:
  3. 9. an extreme lack of food in a region, causing suffering and death:
  4. 10. a violent wind that has a circular movement
Down
  1. 1. a mass of rock and earth falling unexpectedly down a steep slope
  2. 2. a long period when there is little or no rain:
  3. 3. a sudden violent movement of the earth's surface, sometimes causing great damage:
  4. 5. a sudden movement of the earth's surface that often follows an earthquake
  5. 6. an extremely large wave caused by violent movement of the earth under the sea
  6. 8. the large size of something