Answer:
Extrusive rocks are formed on the surface of the Earth from lava
Explanation:
Extrusive rocks form when magma from below the earths crust gets to the surface and cools down and solidifies
Scandium is used in aluminum-scandium alloys for aerospace industry components and for sports equipment such as bicycle frames, fishing rods, golf iron shafts and baseball bats. Scandium iodide is used in mercury vapor lamps, which are used to replicate sunlight in studios for the film and television industry.
c. google HAHAHAHA lol
Not opinion, since this was actually the case and is up for littler interpretation.
