Survival in the desert

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Across
  1. 4. when you have enough water in your body
  2. 5. people who help other people during disasters like typhoons, earthquakes, fires and floods
  3. 7. poisonous and harmful
  4. 9. when you don't have enough water in your body
  5. 10. something that is very important and worth a lot
Down
  1. 1. to walk around aimlessly without a good reason
  2. 2. something that is dangerous and may may cause problems to us
  3. 3. very tired
  4. 6. to show something or to take away the cover so that it can be seen
  5. 8. to keep something from getting bad or rotten