chapter 7 and 8 review

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Across
  1. 4. tradition and not used consistently
  2. 5. trade route between Africa and Asia
  3. 11. known as the northern sea, the coldest and smallest
  4. 12. what is earth galaxy
  5. 13. very detailed and accurate that is used today
  6. 17. connects to the polar water
  7. 20. the shape of the earth is
  8. 24. running along the 180 meridian is
  9. 25. heat makes it evaporate so what makes it rain
  10. 27. the total of earth surface is 10% of
  11. 28. what enters and the exits points
  12. 30. measured in degrees from 0 to 180 distance east and west of the prime meridian
Down
  1. 1. shrinks under its own gravity
  2. 2. what they call when a star blows up
  3. 3. the measured in degrees from 0 to 9o north and south of the equator
  4. 6. the main of Mexico, u.s.a, and Canada
  5. 7. 5.5 is covered with ice
  6. 8. the earth routes around
  7. 9. the entirely separate the 4 major basins
  8. 10. when have earth begun
  9. 14. what is the longitude and latitude is located on
  10. 15. star converts more H into heavier the star swells into
  11. 16. imaginary reference lines form that form the equator
  12. 18. 1=60’’
  13. 19. same distance from the equator and the degrees of
  14. 21. why they twinkle star
  15. 22. marine and air navigators is
  16. 23. drawn through greenwhich england
  17. 26. 1= 60’
  18. 29. release of volatile substances