alleryStart learning →Any rock that has cooled from a molten state is placed in which class?
APrimitive rock
BSedimentary rock
CIgneous rock
DMetamorphic rock
Answer & Solution
Correct answer: C. Igneous rock
1. Rocks are grouped by the process that made them, not by where they are found.
2. Rock that cooled from a melt is called igneous rock, and all volcanic rock is igneous.
3. Sedimentary rock is cemented fragments, and metamorphic rock is altered by heat and pressure.
_Source: OpenStax Astronomy (CC BY 4.0), section 8.2 Earth’s Crust_
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