Why is Crater Lake so deep?

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Tags

1. #water
2. #light
3. #crater
4. #reflecting
5. #spectrum
6. #clarity
7. #fluctuates
8. #level
9. #shorter
10. #depth
11. #climate
12. #sunlight
13. #great
14. #white
15. #intense
16. #longer
17. #magnificent
18. #according
19. #penetrate
20. #absorbs