How are extrusive and intrusive rocks are formed ?
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Extrusive rocks are formed by the cooling down and solidification of the molten lava on the earth's surface. Intrusive rocks are formed by the cooling down of the molten magma deep inside the earth's crust. ... Answer: Hard rocks are used for making roads, houses, factories, buildings etc.
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it's not rock bro it's land from
ans_due to the intense pressure and density of volcano
intusive and extrusive landformed
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