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Llogan · Answer 1 · 2018-03-28T17:55:52+0000

Answer:

Extrusive igneous rock cools very fast on the surface and is created by lava. Intrusive igneous rocks are formed below the Earth's surface by cooling and solidification of magma to form a large size crystal

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Gkoul · Answer 2 · 2018-03-31T17:39:59+0000

An Extrusive igneous rock cools very fast on the surface and is created by lava, since the cooling process is very fast extrusive igneous rocks have very small crystals.

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