In a sentence or two, explain which of the three fundamental types of rock forms most of the volume of Earth's crust and mantle.
A) Igneous rocks, formed from the cooling and solidification of magma or lava.
B) Sedimentary rocks, created by the accumulation and cementation of sediment particles.
C) Metamorphic rocks, resulting from the alteration of existing rock under high pressure and temperature.
D) No answer text provided.
