500
The picture below is of an arch, a geological feature that forms in some deserts. How did this arch most likely get its shape?
((SEE ATTACHED PPT FOR VISUAL))
a) Animals slowly removed the pieces of the rock that were once around the arch
b) The arch originally formed that way
c) Wind and water removed the rock that was originally around and under the arch
d) Plant roots grew into the original rock, breaking it apart and leaving the arch behind
c) Wind and water removed the rock that was originally around and under the arch