Q279
Rocks formed by solidification of molten magma at the surface of the earth are called
A.
Sedimentary
B.
Metamorphic
C.
Igneous
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Rocks formed by the solidification of molten magma at the surface of the earth are called Igneous Rock. The magma can be derived from partial melts of existing rocks in either a planet’s mantle or crust. Solidification into rock occurs as intrusive rocks or as Extrusive rocks. Igneous rocks form about 15% of the Earth's current land surface.