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What condition results in magma cooling and forming a “glassy” igneous rock? a. extremely slow cooling b. cooling in the presence of oxygen

What condition results in magma cooling and forming a “glassy” igneous rock? a. extremely slow cooling b. cooling in the presence of oxygen
asked 203k views
1 vote
What condition results in magma cooling and forming a “glassy” igneous rock?

a.
extremely slow cooling
b.
cooling in the presence of oxygen

asked
User Oren Melzer
by
7.4k points

2 Answers

3 votes

Answer:

a

Step-by-step explanation:

answered
User Nguyendown
by
8.2k points
4 votes
extremely fast cooling in addition the presence of SiO2 at high concentrations
answered
User Chris Sullivan
by
9.1k points
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