Question

how are extrusive and intrusive rocks are formed?​

Answer 1

Answer:

Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet

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Answer 2

$\rm\underline{Question}$

How are extrusive and intrusive rocks are formed?​

$\rm\underline{Answer}$

Ingenious rocks are of two type:-

• Extrusive
• Intrusive

Both the rocks are form due to volcanic erruption

Formation of Extrusive rocks

• Extrusive igneous rocks are form ,when the magma sets underneath the outside of the earth.

• For example basalt rocks.

Formation of Intrusive rocks

• Intrusive igneous rocks are formed when the magma sets the external surface of the earth .

• For example stone rocks.

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