Question

Q5. How is Extrusive and Intrusive rocks formed​

Answer 1

Answer:

Extrusive rocks are formed by the molten lava which comes out of volcanoes, reaches the earth's surface and cools down rapidly to become a solid piece of rock. ... When the molten magma cools down deep inside the earth's crust, the solid rocks so formed are called intrusive rocks. For example, granite.

Explanation:

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