A) Igneous rocks are formed through the solidification of molten materials.
B) Mafic igneous rocks contain ferromagnesian mineral
C) Sill is an example of extrusive igneous rock
D) Plutonic igneous rocks have crystals of large size
Correct Answer: C
Solution :
[c] Sill is an example of intrusive igneous rock because it is formed by solidification of lava within the earth's crust.
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