The World Around Us

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Across
  1. 1. Past form of "send".
  2. 4. A synonym for "electricity".
  3. 6. An agitation of the sea caused by a submarine shake.
  4. 8. A cycle...is a lane for bicycles.
  5. 10. Too much rain during a short period can cause a ...
  6. 12. An urgent situation
  7. 14. Vibrations in the earth's crust causing the ground to shake.
  8. 16. Violent and distructive windstorm occuring over local areas of land.
  9. 17. An organization that raises money for the poor.
  10. 18. Past form of "strike".
  11. 19. A container where you throw rubbish.
Down
  1. 2. The opposite for "full".
  2. 3. To save someone from danger.
  3. 5. Forest ... cause the destruction of thousands of trees a year.
  4. 7. A large mass of snow that comes loose from a mountain.
  5. 9. A synonym for "contamination".
  6. 11. A period of no rain.
  7. 12. A volcanic ... is the outbreak of a volcano.
  8. 13. To use sth. again , such as a bag or box.
  9. 15. A period of extreme lack of food and water in an area.