What are the 6 essential elements of life?

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Tags

1. #abbreviations
2. #nitrogen
3. #abundant
4. #chemical
5. #oxygen
6. #phosphorus
7. #stand
8. #concept
9. #sulfur
10. #called
11. #carbon
12. #elements
13. #these
14. #hydrogen
15. #letters
16. #chnops