Find the missing words and fill in the puzzle below.

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Across
  1. 3. temperatures
  2. 5. Fertile area
  3. 6. cold desert
  4. 7. largest
  5. 9. people
  6. 11. Biggest desert
  7. 12. travelers
Down
  1. 1. Continent
  2. 2. common type
  3. 3. Low
  4. 4. temperatures
  5. 6. hot deserts
  6. 8. transport
  7. 10. Vegetation