What are the two ways igneous rock is formed?
Igneous rocks are one of three types of rocks categorized by how they form. The other types of rock are sedimentary rock and metamorphic rock. Igneous rocks start as magma, melted rock found within the Earth.
Answer and Explanation:
While all igneous rocks form from the cooling of hot, melted rock, they can form either within the crust of the Earth or on the surface of the Earth....
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from General Studies Earth & Space Science: Help & ReviewChapter 5 / Lesson 4