What temperature is too cold for humans?

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Tags

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2. #their
3. #temperature
4. #drops
5. #expires
6. #known
7. #death
8. #takes
9. #usually
10. #depends
11. #delimit
12. #person
13. #degrees
14. #latent
15. #whether
16. #which
17. #mysterious
18. #hibernation
19. #happen