S K M 3 R R Across: 1. A natural disaster caused by trembling of the earth's crust 2. Masses of land and rocks slipping along high cliffs and hillsid 3. Strong shock from earthquake may cut electrical wirings cau Down: 4. An observable effect of earthquake; also called shaking 5. Disturbance underwater causing big waves B. Direction: Determine if each sentence indicates a proper th
