science
Grade-4-
Easy
Question
Igneous rocks are formed by______.
- Melting and cooling
- Melting and erosion
- Weathering and compaction
- Weathering and compaction
Hint:
The igneous rock is formed by melting, cooling, and crystallization of molten rocks.
The correct answer is: Melting and cooling
- Igneous rocks are formed by melting and cooling.
- The magma is a molten rock of volcanic sides that is cooled and crystallized to form igneous rock.
- It is intrusive and extrusive as they form inside and outside of the surface.
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