1. What is the difference between intrusive rocks and extrusive rocks?
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Explanation:
Extrusive rocks and intrusive rocks both form when hot molten material crystallizes. However, extrusive rocks form from lava at the surface of the Earth, whereas intrusive rocks form from magma underground, often relatively deep in the Earth. A pluton is a block of intrusive igneous rock.
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Answer:
Extrusive rocks cool quickly because they are at the surface of the Earth. Intrusive rocks take a lot longer to cool because the temperature under the Earth's surface is a lot higher. Extrusive rocks usually last much longer in the destructive environment at the earth’s surface because they formed there. Intrusive rocks typically break down quickly when exposed to the elements because it is not their natural habitat.
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