Metamorphic rocks are formed when rock is changed by heat and pressure under the earth forming layers, an example of a Metamorphic rock is slate.
(Metamorphic rocks; are formed; T:when rock is changed by heat and pressure under the earth forming layers, an example of a Metamorphic rock is slate) (rock; is changed; by heat and pressure; L:under the earth) (an example of a Metamorphic rock; is; slate)
Metamorphic rocks rock an example of a Metamorphic rock
are formed is changed is
T:when rock is changed by heat and pressure under the earth forming layers, an example of a Metamorphic rock is slate
by heat and pressure L:under the earth
slate