Question

distinguish extrusive and intrusive rocks in long​

Answer 1

Extrusive igneous rocks come from lava, forming at the surface of the Earth and cooling quickly, meaning they form very small crystals. Intrusive igneous rocks come from magma, forming deep underground and taking longer to cool, meaning they form larger crystals.

Answer 2

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The difference between intrusive and extrusive igneous is that, intrusive rock is one that forms when magma cools within Earth. Extrusive igneous rock is one that, forms when lava cools on Earths surface. ... Because formations of intrusive igneous rock can be harder and more lasting than other types of rocks.