4slijcniw 4slijcniw

19-11-2020
Chemistry

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Marcie believes that she has found a piece of obsidian. What causes obsidian to form?

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byfieldalianna57 byfieldalianna57

19-11-2020

Obsidian is formed from quickly cooled lava, the formation of obsidian to occurs when felsic lava flow or volcanic dome or when lava cools during sudden contact with water or air.

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screemboijakub screemboijakub

19-11-2020

Answer:

Quick cooling of Lava

Explanation:

such as: Water being poured, or cold climate

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