Nature and natural disasters

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Across
  1. 2. This happens when rocks and mud move down the mountain.
  2. 5. This happens when it rains for a long time and there is too much water.
  3. 7. This happens when a volcano explodes.
  4. 8. This is a small mountain.
  5. 9. This is a huge, powerful wave caused by the earthquake at sea.
  6. 10. This is dirty fog.
  7. 11. This is water falling from a height.
Down
  1. 1. This is a tropical foret.
  2. 3. This happens when a lot of snow moves quickly down a mountain.
  3. 4. This happens when it doesn't rain for a long time.
  4. 6. You can see it in the sky after the rain.
  5. 7. This happens when the Moon is between the Earth and the Sun and you can't see the Sun.