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Extrusive rocks have larger grains than intrusive rocks.true or false and why
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Extrusive rocks have larger grains than intrusive rocks.true or false and why

User Dezefy
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False because extrusive rocks have fine-grained texture due to the rapid cooling of magna above the earth surface. On the other hand extrusive rocks have course grained texture due to slow cooling of magna beneath the Earth's surface

User TommyBs
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