1. Why do earthquakes occur?
A. Because rocks along a fault suddenly moves.
B. Because of its magnitude.
C. Because we are located on the surface of the crust.
D. Because of its intensity

2. How do faults produce quakes?
A. When the ground suddenly moves, an earthquake occurs
B. When the rocks are stuck together, earthquake occurs
C. When rocks suddenly slip an earthquake generate.
D. When the rocks stick and slip, earthquake occurs.​