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Pumice is a type of rock formed when gas bubbles are trapped inside of cooling lava. Pumice is most often formed when volcanoes erupt violently. What type of rock is pumice?

A) extrusive igneous
B) intrusive igneous
C) contact metamorphic
D) foliated metamorphic

2 Answers

4 votes

it is A.. Hope this helps! :)


User Veno
by
8.1k points
7 votes

A - Extrusive igneous.

User Fallon
by
7.7k points
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