A cycle of change can be observed when looking at rocks and understanding the processes that act to change one type of rock to another: weathering and human activity.
(A cycle of change; can be observed; T:when looking at rocks and understanding the processes) (the processes; act; to change one type of rock to another) Context(the processes act,List([74, 96))):(the processes; act to change; one type of rock; to another)
the processes act,List([74, 96))
A cycle of change the processes the processes
can be observed act act to change
T:when looking at rocks and understanding the processes
to change one type of rock to another
one type of rock to another