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List two examples of how igneous rocks are formed.

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Answer:

There are 2 types of igneous rocks. Extrusive and Intrusive rocks. Extrusive rocks are formed on the surface of the Earth from lava. Intrusive rocks form from magma that cools and solidifies within the crust of the planet.

Explanation:

User Jael
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Lava hitting water lava cooling in the air
User Fendy
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