Is there silicon in sand?

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Tags

1. #because
2. #coastal
3. #settings
4. #tropical
5. #quartz
6. #resistant
7. #which
8. #silica
9. #silicon
10. #common
11. #dioxide
12. #inland
13. #hardness
14. #constituent
15. #mineral
16. #continental
17. #inertness
18. #considerable
19. #usually
20. #weathering
21. #chemical