Answer the following question given this paragraph: A rock under enough stress will fracture. There may or may not be movement along the fracture. If there is not movement, the fracture is a joint. If there is movement, the fracture is a fault. Q: What will happen to a rock when it's under tremendous stress? A:

Choices:
(i) it will slow
(ii) it will solidify
(iii) it will rebound
(iv) it will fracture
The answer is:
(iv)