How are extrusive rocks formed?
Magma gets trapped inside Earth and cools to rock.
Volcanoes apply force to solid rocks and eject them.
Magma gets forced to Earth’s surface and cools to rock.
Volcanoes trap lava inside Earth, where it cools to rock.
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Answer:
Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface. These are the rocks that form at erupting volcanoes and oozing fissures.
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The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.
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