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How did you determine which were intrusive and which were extrusive?
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23 votes
23 votes
How did you determine which were intrusive and which were extrusive?

User Aaditya Raj
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1 Answer

21 votes
21 votes
Extrusive rocks cool down quicker so form smaller crystals.

Intrigue rocks cool down slowly so form ther crystals.
User Zied Hamdi
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