Why is main memory not suitable for permanent storage?

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Tags

1. #volatile
2. #memory
3. #delete
4. #backup
5. #significantly
6. #suitable
7. #storing
8. #permanent
9. #storage
10. #drive
11. #within
12. #information
13. #program
14. #disadvantage
15. #purposes
16. #magnetic
17. #power
18. #would
19. #slower
20. #stored