asked 80.9k views
3 votes
Which of the following is true about glassy igneous rocks?

cooled very slowly

cooled very rapidly

cooled in two stages

2 Answers

6 votes
Cooled very rapidly is correct
answered
User Caampa
by
8.7k points
2 votes
They cool too quickly to form crystal.
answered
User EderBaum
by
8.8k points
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