Question
The majority of Earth’s crust is composed of which rock?
Answer: Option B
Answer: (b)
The Earth is composed predominantly of a large mass of igneous rock with a very thin veneer of weathered material—namely, sedimentary rock. Igneous rocks are formed from the solidification of magma, which is a hot molten or partially molten rock.
Igneous and metamorphic rocks make up 90–95% of the top 16 km of the Earth’s crust by volume.
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Answer: (b)
The Earth is composed predominantly of a large mass of igneous rock with a very thin veneer of weathered material—namely, sedimentary rock. Igneous rocks are formed from the solidification of magma, which is a hot molten or partially molten rock.
Igneous and metamorphic rocks make up 90–95% of the top 16 km of the Earth’s crust by volume.
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