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Earthy Earthy
wrote...
Posts: 1022
8 years ago
You are handed a sample of an unknown silicate mineral. Which two elements MUST it contain?
A) silicon and oxygen
B) iron and silicon
C) carbon and hydrogen
D) silicon and sodium
Textbook 
Foundations of Earth Science

Foundations of Earth Science


Edition: 7th
Authors:
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Richy271Richy271
wrote...
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Posts: 2376
8 years ago
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Earthy Author
wrote...
8 years ago
Quick and to the point. Thank you.
wrote...
8 years ago
I doubled-checked using the textbook, thanks for the feedback.
wrote...
3 years ago
awesome
wrote...
3 years ago
Thank you!
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