Question

A student designed an experiment to demonstrate the movement of Earth plates. The steps of the experiment are listed below.
Make a vertical slit in the middle of a cardboard piece.
Fold and place two pieces of paper inside the slit and tape two blocks of cardboard labeled Earth plate on top of the paper as shown below.
Pull down the papers below the slit.
Observe the direction of motion of the Earth plates.
The student's experiment most likely demonstrates how:
a. volcanoes subside
b. faults are created
c. rift valleys are created
d. mountains are formed
Someone Please Help Me.