review

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Across
  1. 3. tool measure temps
  2. 5. dirty air needed for photosynthesis
  3. 7. first seismic waves
  4. 8. highest ozone
  5. 10. closest ozone to ground
  6. 12. most of earths water frozen
  7. 14. energy release center
  8. 15. water does what a zero degrees
  9. 16. plates move apart
  10. 17. how pants turn sun into energy
Down
  1. 1. happens in areas of low pressure
  2. 2. moves rock inside earth
  3. 4. underwater ocean ridge
  4. 5. continents slowly move in location
  5. 6. evaporated water rises into the air
  6. 9. how much water is in the air
  7. 11. line between cold and hot air
  8. 13. process of liquid change to gas