1. It serves as the geographical point of reference in determining the relation of the area the actual location of the earthquake's occurrence. a. Crust b. Focus c. Epicenter d. Wave

2. It is a fracture in Earth's crust where rocks on either side of the crack have movedpast each other.

a. Crust b. Focus c. Epicenter d. Wave

3-4. Most earthquakes usually occur along a due to the movement of .

a. fault, crack c. rocks, fault
b. fault, rocks d. crack, crust