What is the difference between controlled and uncontrolled airspace?

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Tags

1. #defined
2. #level
3. #control
4. #weather
5. #varies
6. #controlled
7. #minimums
8. #dimensions
9. #applicable
10. #classes
11. #usually
12. #within
13. #uncontrolled
14. #higher
15. #provided
16. #different
17. #which
18. #opposite
19. #services
20. #imposes
21. #airspace