Sedimentary Rocks When mountains are first formed, they are tall and jagged like the Rocky Mountains on the west coast of North America.
(mountains; are formed; T:Sedimentary Rocks; T:first) (they; are; tall and jagged like the Rocky Mountains on the west coast of North America)
mountains they
are formed are
T:Sedimentary Rocks T:first
tall and jagged like the Rocky Mountains on the west coast of North America