Weather puzzle

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Across
  1. 3. A very humid environment
  2. 5. When the air has very low humidity
  3. 7. Third layer of the atmosphere
  4. 11. Very hot and very cold around the world
  5. 12. How much water is in the air
  6. 13. The climate of the North and South poles
  7. 14. Last layer of the atmosphere
  8. 15. Pressure how cold something is
  9. 17. Fourth layer of the atmosphere
Down
  1. 1. First layer of the atmosphere
  2. 2. Weather conditions
  3. 4. Second layer of the atmosphere
  4. 6. A massive layer that protects us and gives Earth life.
  5. 8. The state of the atmosphere
  6. 9. How hot or cold something is
  7. 10. Pressure how hot something is
  8. 16. We breathe it in our lungs