Do you know what is the most abundant elements in the Earth's crust? The top ten are:
10: Hydrogen
9. Titanium
8. Potassium
7. Magensium
6. Sodium
5. Calcium
4. Iron
3. Aluminum
2. Silicon
1. Oxygen
To my surprise, titanium is in the list while carbon is not.
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# posted by Birdie @ 10:40 PM
