Answer 1) Option B) Molten
magma is made of melted or molten materials
Answer 2) Option C) Magma.
Below the earth the molten material found is called as Magma.
Answer 3) Option B) Extrusive
As the molten matter which is magma when comes on the surface of the earth it is called lava so the rocks formed from the lava will be called as extrusive. Extrusive means which erupts on the surface of the earth and forms rocks.
Answer 4) Option D) Large Crystals
When granite is formed slowly by cooling of magma, the slow rate of coolingg causes to produce large crystals in it.
Answer 5) Option C) Fine.
As the cooling of lava from the volcano is done quickly there are hardly any crystals seen in basalt rock which results in giving it a fine structure.