extreme heat and pressure compact sediments into sedimentary rocks & sedimentary rocks are formed by sediment compacting together ->  pressure compacting sediments causes sedimentary rock to form  pressure compacting sediments causes sedimentary rock to form & to compact means to squeeze together ->  pressure squeezing sediments together causes sedimentary rock to form  pressure squeezing sediments together causes sedimentary rock to form & if something causes something else then that something else is a result of that something ->  the formation of sedimentary rock is a result of pressure squeezing sediments together  the formation of sedimentary rock is a result of pressure squeezing sediments together & sedimentary rock is a kind of rock ->  the formation of a kind of rock is a result of pressure squeezing sediments together  the formation of a kind of rock is a result of pressure squeezing sediments together & formation in the rock cycle means an old class of rocks changes into a new class of rocks -> the formation of a new rock is a result of pressure squeezing sediments together