How are extrusive and intrusive rocks formed short hort answer?
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INTRUSIVE ROCKS
During volcanic eruption,sometimes the magma which is not able to explode out from the volcano gets solidified below the earths surface..is known as Intrusive Rocks
EXTRUSIVE ROCKS
These rocks are formed when the magma breaks through the crust and reaches the surface of the earth. It cools and solidifies to form rocks..is known as Extrusive Rocks
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Extrusive igneous rocks also known as volcanic rocks,are formed at the crust's surface as a result of the partial melting of rocks within the mantle and the crust.
Intrusive igneous rocks are formed by the cooling of the molten magma on the earth's surface.
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