Whats the 3 tipes of rocks and how they are formed

The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.

False it it a lot 

Answer/// absolute and unchanging laws;