Sedimentary rocks are composed of small pieces of rocks, shells or the remains of living things that build up and are cemented together.
(Sedimentary rocks; are composed; of small pieces of rocks, shells or the remains of living things) (living things; build up; ) (living things; are cemented together; )
Sedimentary rocks living things living things
are composed build up are cemented together
of small pieces of rocks, shells or the remains of living things