Correct option is B
→ Rhyolite is an extrusive igneous rock, formed from magma rich in silica.
→ Some other examples of igneous rock granite, basalt, obsidian, gabbro, diabase, diorite.
→ schist is a coarse – grained metamorphic rock. Which consists of layers of different minerals.
→ Marble and shale is a sedimentary rock.
