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emmainna [20.7K]
3 years ago
15

Obsidian is a rock with glass-like characteristics. Obsidian is formed by rapid what and why?

Biology
1 answer:
Inga [223]3 years ago
7 0
<span>(d) cooling
if obsidian is glasss like it is very logical that a cooling process is needed! If I was u I'd go cooling, d
:)</span>
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