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What determines how large the crystals in an igneous rock will be

2 Answers

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Answer: How fast the rock cools.

Step-by-step explanation:

User Umesh Sehta
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2 votes

Answer: The speed of which the lava and magma cools

Explanation: The longer the cooling process, the larger the crystals since they have longer to form. Hope this helps!

User Chantheman
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