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Which of these rocks forms from lava that cools very quickly? A) schist B) gneiss C) granite D) obsidian

Which of these rocks forms from lava that cools very quickly? A) schist B) gneiss C) granite D) obsidian
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3 votes
Which of these rocks forms from lava that cools very quickly?

A) schist
B) gneiss
C) granite
D) obsidian

asked
User Kumpelka
by
8.3k points

2 Answers

4 votes
D: Obsidian.

It is a type of glass that is made from lava cooling very quickly. unlike the obsidian granite cools slowly to form a light-coloured rock while the obsidian formes a black coloured glass type rock.
answered
User Olivier Dadoun
by
9.6k points
1 vote
I am thinking the rock that forms from lava that cools quickly is D) Obsidian.
answered
User Abdulsalam Opeyemi
by
7.3k points
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