________ are defined as the mass movement of rock, debris or Earth down a slope.
________ are defined as the mass movement of rock, debris or Earth down a slope. Correct Answer Landslide
A landslide is defined as the movement of a mass of rock, debris, or earth down a slope. A landslide is a sudden movement of rocks, debris or Earth (mud) down a slope due to undercutting of rocks. The main erosional agents are air, water and ice.