The Terrestrial Environment

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Across
  1. 3. center of a hurricane
  2. 4. name given to molten rocks beneath the earth's surface
  3. 7. category of an air mass relating to its latitude
  4. 10. cyclones with winds speeds over 679 mph
  5. 11. the alternating rise and fall in sea level with respect to the land
  6. 12. the opening through which volcanic material escapes
  7. 14. referring to water vapour content
  8. 16. term used to describe volcanoes which show no sign of activity
  9. 17. over the sea
  10. 18. hot air __________
Down
  1. 1. volcanoes occur when there is a buildup of heat and ____________
  2. 2. type of volcano
  3. 5. name given to the area where air masses meet
  4. 6. over the land
  5. 8. name given to volcanic material on the surface of the earth
  6. 9. also known as basaltic floods
  7. 12. name given to all types of storms
  8. 13. air mass source region
  9. 15. the __________ has a stronger effect on tides
  10. 17. a difference in pressure causes air masses to __________