How are intrusive and extrusive igneous rocks alike?
Igneous rocks are classified into two groups: intrusive and extrusive. Intrusive igneous rocks are formed when magma cools slowly below the surface, while extrusive rocks are formed when lava cools rapidly at the surface.
Answer and Explanation:
Intrusive and extrusive igneous rocks are alike in that they are both formed from the cooling and crystallization of molten substance (magma and lava,...
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from General Studies Earth & Space Science: Help & ReviewChapter 5 / Lesson 4